U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 430/278.1 - Aluminum


Subclass of Class 430 - Radiation imagery chemistry: process, composition, or product thereof
Definition: Subject matter wherein the metal is aluminum.
No. of patents: 627
Last issue date: 06/23/2009


          9            
NumberTitleIssue Date
5466557Radiation-sensitive composition containing a resole resin, a novolac resin, a latent bronsted acid, an infrared absorber and terephthalaldehyde and use thereof in lithographic printing plates
A radiation-sensitive composition especially adapted to prepare a lithographic printing plate that is sensitive to both ultraviolet and infrared radiation and capable of functioning in either a positive-working or negative-working manner is comprised of (...
11/14/1995
5466536Reverse side coating for photographic support
A photographic support material has a reverse side layer which includes a polymer having a film formation temperature which does not exceed 70° C., and a conductive material. The polymer may be a mixture of polymers or copolymers of styrene, alkylstyrene...
11/14/1995
5464724PS plate and method for processing same
A PS plate comprises an aluminum substrate having anodized layers on both sides, a photosensitive layer on one side of the substrate and a coating layer of a metal oxide obtained by hydrolyzing and polycondensing an organic or inorganic metal compound on ...
11/07/1995
5462609Electric arc method for treating the surface of lithoplate and other metals
An essentially flat "arc-grained" surface of a sheet of aluminum alloy is produced with a coarse and non-uniform microstructure which, after it is coated with a durable phosphate-free coating, provides excellent lithoplate. Though such arc-grained microst...
10/31/1995
5436110Imaging element and method for making aluminum lithographic printing plates according to the silver salt diffusion transfer process
The present invention provides an imaging element comprising in the order given (i) a hydrophilic grained and anodized aluminum support with an aluminum oxide barrier layer of at least 10 nm thickness, (ii) an image receiving layer containing physical dev...
07/25/1995
5432046Process for preparing improved lithographic printing plates by brushgraining with alumina/quartz slurry
Provided herein is a brushgraining process to improve the quality of lithographic printing plate substrate surfaces. In the process, the surface is brushed in an aqueous slurry comprising a mixture of particulates of alumina and quartz in a weight ratio r...
07/11/1995
5427889Lithographic printing plate with pitted aluminum support
The present invention provides a lithographic printing plate material which comprises a grained and anodized aluminum support and a silver halide emulsion layer between which physical development nuclei are provided wherein said aluminum support have 500 ...
06/27/1995
5424165Diazo resin light-sensitive composition containing organic compound having at least 3 carboxyl groups
A light-sensitive composition comprises a diazo resin, a polymeric binder and a low molecular weight organic compound having at least 3 carboxyl groups and free of other functional groups containing elements other than hydrogen and carbon atoms. The compo...
06/13/1995
5422229Liquid foil employing aluminum platelets
A photosensitive layered sheet for producing transferrable decorative foil designs comprising a solvent resistant, hydrophobic plastic film having superimposed thereon the following sequential layers of coatings: (a) a clear or colored water insoluble lacquer;...
06/06/1995
5405730Imaging element and method for making aluminum lithographic printing plates according to the silver salt diffusion transfer process
The present invention provides an imaging element comprising in the order given (i) a hydrophilic grained and anodized aluminum support, (ii) an image receiving layer containing physical development nuclei and (iii) a photosensitive layer containing a sil...
04/11/1995
5403694Water developable diazo based lithographic printing plate comprising an intermediate layer having a polysaccharide
The present invention provides an imaging element comprising on a support in the order given, a hydrophilic layer containing a hydrophilic (co)polymer or (co)polymer mixture and being hardened with a hydrolyzed tetraalkyl orthosilicate crosslinking agent ...
04/04/1995
5401611Heat mode recording material and method for making a lithographic plate
The present invention provides a heat mode recording material comprising on a support having a hydrophilic surface or being provided with a hydrophilic layer, a metallic layer and on top thereof a hydrophobic layer having a thickness of less than 50 nm an...
03/28/1995
5399456Image reversal negative working photoresist containing O-quinone diazide and cross-linking compound
A process for converting a normally positive working photosensitive composition to a negative working composition. One forms a composition containing an alkali soluble resin, a 1,2 quinone diazide-4-sulfonyl compound and an acid catalyzed crosslinker in a...
03/21/1995
5393637Photosensitive composition for offset printing comprising a binder, a photosensitive substance and a microgel made from an acrylic resin having carboxyl groups as the emulsifier
Disclosed is a photosensitive composition used for offset printing, which provides an offset printing plate with excellent durability and developability. The photosensitive composition comprises: (I) a film-forming binder resin, (II) a photosensitive substance...
02/28/1995
5393651Silver halide light-sensitive material comprising polymerizable layer provided on aluminum support
A silver halide light-sensitive material is disclosed. The light-sensitive material comprises an aluminum support, an anodic oxide layer and a light-sensitive polymerizable layer in the order. The light-sensitive polymerizable layer contains silver halide...
02/28/1995
5378584Radiation-sensitive recording material with a positive-working, radiation-sensitive layer having a rough surface containing a surfactant having polysiloxane units
A radiation-sensitive recording material, in particular for producing planographic printing plates, is disclosed. The material is composed of a layer support and a positive-working, radiation-sensitive layer having a rough surface containing at least one ...
01/03/1995
5372915Method of making a lithographic printing plate containing a resole resin and a novolac resin in the radiation sensitive layer
A radiation-sensitive composition especially adapted to prepare a lithographic printing plate that is sensitive to both ultraviolet and infrared radiation and capable of functioning in either a positive-working or negative-working manner is comprised of (...
12/13/1994
5372907Radiation-sensitive composition containing a resole resin and a novolac resin and use thereof in lithographic printing plates
A radiation-sensitive composition especially adapted to prepare a lithographic printing plate that is sensitive to both ultraviolet and infrared radiation and capable of functioning in either a positive-working or negative-working manner is comprised of (...
12/13/1994
5368974Lithographic printing plates having a hydrophilic barrier layer comprised of a copolymer of vinylphosphonic acid and acrylamide overlying an aluminum support
Improved lithographic printing plates are comprised of an aluminum support, a hydrophilic barrier layer comprised of a copolymer of about 40 to about 90 mole percent vinylphosphonic acid and about 10 to about 60 mole percent acrylamide overlying said supp...
11/29/1994
5368783Negative-working radiation-sensitive resist composition
Disclosed is a novel negative-working radiation-sensitive resist composition useful in the photolithographic patterning works of resist layers on substrate surfaces in the manufacture of semiconductor devices and capable of giving a finely patterned resis...
11/29/1994
5366843Coated substrate utilizing composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone as sensitivity enhancers
A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective sensitivity enhancing amount of at least one compound of formula (I): ##STR1## ...
11/22/1994
5348842Method for producing positive photoresist image utilizing diazo ester of benzolactone ring compound and diazo sulfonyl chloride
A photosensitizer comprising a diazo ester of benzolactone ring compound, such as phenolphthalein or cresolphthalein as the backbone, where at least one of the hydroxy groups on benzolactone ring has been esterified with diazo-sulfonyl chloride consisting...
09/20/1994
5345869Lithographic plate, and method for making, having an oxide layer derived from a type A sol
A lithographic plate comprising a substrate carrying an oxide layer derived from a Type A sol is disclosed. The substrate may be metal, e.g. aluminum or steel, and may be in a mill finished state or grained or otherwise profiled. Type A sols have polynucl...
09/13/1994
5342727Copolymers of 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene in admixture with a photosensitizer to form a photosensitive composition
A copolymer of (a) an unsubstituted 4-hydroxystyrene monomer and (b) a substituted 4-hydroxystyrene monomer of the formula ##STR1## wherein A, B, C, and D are independently H or C1 to C4 alkyl and wherein at least one of B and D...
08/30/1994
5340699Radiation-sensitive composition containing a resole resin and a novolac resin and use thereof in lithographic printing plates
A radiation-sensitive composition especially adapted to prepare a lithographic printing plate that is sensitive to both ultraviolet and infrared radiation and capable of functioning in either a positive-working or negative-working manner is comprised of (...
08/23/1994
5340681Method for preparing photographic elements having single photosensitive layer containing photopolymerizable compound, photoinitiator, diazonium compound and barrier material encapsulated pigment particles; and negative image formation process
Photopolymeric printing plates are presented wherein and electrochemically etched and anodized, silicated aluminum substrate has a single photosensitive coating thereon composed of a photopolymerizable combination which includes a photopolymerizable pigme...
08/23/1994
5340683Presensitized plate having surface-grained and anodized aluminum substrate with light-sensitive layer containing quinone diazide sulfonic acid ester of particular polyhydroxy compound
A PS plate comprises a surface-grained and anodized aluminum plate provided thereon with a light-sensitive layer of a composition comprising a light-sensitive substance and an alkali-soluble resin wherein the light-sensitive substance is a 1,2-naphthoquin...
08/23/1994
5338640Siloxane polymers and positive working light-sensitive compositions comprising the same
A novel siloxane polymer having at least 1 mol % of a structural unit derived from a cyclic heat addition product between a diene compound of formula (I) or (II) and an olefin or acetylene compound of formula (III), (IV) or (V): ##STR1## and a p...
08/16/1994
5314787Process for treating lithographic printing forms and lithographic printing forms produced thereby
Grained, anodized and hydrophilized lithographic printing plates which have a negative or positive working radiation-sensitive coating, are exposed and are developed in an aqueous alkaline solution, are subjected, after hydrophilization, to a treatment wi...
05/24/1994
5308737Laser propulsion transfer using black metal coated substrates
This invention relates to a laser imageable donor material that is capable of transferring pigment to a receiver, such as plain paper, polymeric film, metal and the like. The donor material is composed of at least a transparent film, an overlying layer of...
05/03/1994
5304298Process for roughening aluminum or aluminum alloys
A process for roughening aluminum or aluminum alloys useful as support material for printing plates, in which process two electrochemical roughening steps are carried out in direct succession and are followed by a pickling step. Printing plates are produc...
04/19/1994
5302487Negative-working photosensitive coating solution containing photohardenable diazo compound, polymeric binder and four component solvent
The invention describes a solvent mixture for photohardenable compositions, which includes (a) a first component having (i) a first constituent of (aa) a polar solvent of the formula R-OH, wherein R is a H or alkyl, or (aa') a monoalkylether or an alkylether ester ...
04/12/1994
5302460Support material for offset-printing plates in the form of a sheet, a foil or a web process for its production and offset-printing plate comprising said material
A support material for photosensitive substances, useful in the production of offset-printing plates, is disclosed. The support material comprises mechanically, chemically or electrochemically roughened aluminum or an aluminum alloy in the form of a sheet...
04/12/1994
5302494Multilayer circuit board having microporous layers and process for making same
A microporous, photoprocessable, moderately hydrophilic material on which metal can be deposited directly using electroless plating techniques, and its use in preparing printed wiring boards and circuit components....
04/12/1994
5290665Process for developing PS plate requiring no dampening water wherein the developer comprises, water, a solubilizer and an ethylene glycol mono(alkyl C6 -C8) ether derivative
Disclosed is a process for developing a presensitized plate which is used in making a lithographic printing plate requiring no dampening water and which comprises, on a substrate, a photopolymerizable adhesive layer and a silicone rubber layer in the orde...
03/01/1994
5288591LCD display with microtextured back reflector and method for making same
Applicant has discovered a method for microembossing reflector surfaces with controlled reflecting patterns too small to be resolved by the unaided eye but capable of providing controlled reflection characteristics superior to uncontrolled random deformat...
02/22/1994
5286601Composition containing a halomethyl-1,3,5-triazine containing an amine-containing moiety
Radiation-sensitive organo-halogen compounds having a photo-labile halomethyl-1,3,5-triazine moiety and at least one amine-containing moiety within one molecule. The compounds serve the dual purpose of photoinitiation and polymerization acceleration, ther...
02/15/1994
5286594Photographic elements utilizing a single photosensitive layer containing a photopolymerizable compound, photoinitiator, diazonium compound and barrier material encapsulated pigment particles
Photopolymeric printing plates are presented wherein an electrochemically etched and anodized, silicated aluminum substrate has a single photosensitive coating thereon composed of a photopolymerizable combination which includes a photopolymerizable pigmen...
02/15/1994
5282952Method for preparing substrate for lithographic printing plates, substrate for lithographic printing plates prepared by the method and presensitized plate comprising the substrate
A method for preparing a substrate for lithographic printing plates comprises the steps of forming a hydrated oxide layer on the surface of an aluminum plate and then anodizing the plate in a sulfuric acid electrolyte; a lithographic printing plate compri...
02/01/1994
5279917Light-sensitive composition comprising a fluorine copolymer surfactant
A light-sensitive composition comprises a light-sensitive compound, an alkali soluble resin and a fluorine-containing surfactant. The surfactant is a copolymer of a (poyoxyalkylene)acrylate or (polyoxyalkylene)methacrylate with an acrylate or methacrylate...
01/18/1994
          9            
 
Sign InRegister
Username  
Password   
forgot password?