Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
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.
| Number | Title | Issue Date |
| 5773186 | Heat-sensitive recording material A heat-sensitive recording material comprises a substrate and a heat-sensitive recording layer provided on the substrate, and the heat-sensitive layer contains a diazo compound and a coupler compound which produces color, reacting with the diazo compound.... | 06/30/1998 |
| 5763134 | Composition comprising photochemical acid progenitor and specific squarylium dye Photochemical acid progenitors in combination with dihydroperimidine squarylium dyes have been found to be particularly effective at generating acid upon irradiation with near-infrared radiation. It has been found that dihydroperimidine squarylium dyes th... | 06/09/1998 |
| 5707776 | Positive resin composition sensitive to ultraviolet rays Disclosed is a positive radiation-sensitive resist composition comprising polymer(s) of the following general formula (1) and a radiation-sensitive agent. ##STR1## Ra, Rb, Rc and Rd each are independently a hydrogen atom, a hydroxyl group, a hal... | 01/13/1998 |
| 5700624 | Positive acid catalyzed resists having an alkali soluble resin with acid labile groups and inert blocking groups The invention comprises an acid hardened resist system consisting of a resin binder having acid labile blocking groups and inert blocking groups and a photoacid generator. The inclusion of inert blocking groups on the resin improves shelf life without del... | 12/23/1997 |
| 5683850 | Diazo heat-sensitive recording material comprising hydroxy coumarin as a coupler A diazo heat-sensitive recording material having excellent raw stock storability and image storage characteristics, which comprises a support having thereon a recording layer comprising a diazo compound, a coupling component and an organic base. The diazo... | 11/04/1997 |
| 5672463 | Polyfunctional vinyl ether compound and photoresist resin composition containing the same A polyfunctional vinyl ether compound represented by formula (I): ##STR1## wherein n, which is an average repeating number, represents a number of from 0 to 20; R1 and R2 each independently represents a hydrogen atom, a halogen ... | 09/30/1997 |
| 5667930 | Photoresist composition containing 4,6-(bis)chloromethyl-5-triazine initiator A photopolymerization photoresist composition having a binder resin, a multifunctional compound, a photopolymerization initiator, a sensitizer and other additives. The photopolymerization initiator has one or more 4,6-bis(chloromethyl)-s-triazine compound... | 09/16/1997 |
| 5552260 | Shoot and run printing materials Acid-sensitive polymers and imageable articles employing them are disclosed. In particular, photosensitive compositions are disclosed comprising: (a) a photoinitiator which generates an acid upon exposure to radiation; and (b) a polymer having acid labile... | 09/03/1996 |
| 5543262 | Benzanthrone polymerization gate in photopolymerizable compositions A light sensitive composition which is capable of photopolymerization which includes a photopolymerizable compound a free radical generating component and a benzanthrone or substituted benzanthrone which substantially prevents photopolymerization when the... | 08/06/1996 |
| 5494772 | Heat-sensitive recording materials for infrared-laser recording comprising tricarbocyanine dye having at least two acidic groups A heat-sensitive recording material comprising on a support a heat-sensitive layer comprising color-forming component A, color-forming component B which forms a color by reacting with the color-forming component A, and a tricarbocyanine dye having at leas... | 02/27/1996 |
| 5482816 | Radiation-sensitive composition A radiation-sensitive composition comprising (A) a polymer having a recurring unit represented by formula (1): ##STR1## wherein R1 represents a substituted methyl group, a substituted ethyl group, a silyl group, a germyl group or an alkoxy... | 01/09/1996 |
| 5478689 | Thermal development diazo copying material A thermal development diazo copying material is composed of a support, and a photosensitive layer formed thereon, which includes a diazo compound, a coupler, an alkali-soluble resin, and a sensitizer, with only the coupler being contained in microcapsules... | 12/26/1995 |
| 5459011 | Liquid or paste photosensitive composition containg aromatic diazo compound and lactic acid, hydroxyacetic acid or mixture thereof A photosensitive composition including a water-soluble aromatic diazo compound having at least two diazo groups and lactic acid, hydroxyacetic acid or, a mixture thereof in an amount of at least one third by weight of the diazo compound. The photosensitiv... | 10/17/1995 |
| 5430130 | Photosensitive polyfunctional aromatic diazo compounds useful in photosensitive compositions An photosensitive polyfunctional aromatic diazo compound having at least two groups of Formula (uD) in the molecule, and a photosensitive composition using the same. The diazo compound can be handled under visible light free from ultraviolet, is highly ph... | 07/04/1995 |
| 5409797 | Heat-sensitive recording material for laser recording A heat-sensitive recording material for laser recording is provided including a support having thereon a heat-sensitive layer including at least a first substantially colorless coloring component, a second substantially colorless coloring component which ... | 04/25/1995 |
| 5340699 | Radiation-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 |
| 5328796 | Diazo type recording material utilizing microencapsulated diazo compound, a coupler and a hydroxyphenylsulfone derivative A diazo type recording material, which has a substantially unstained background, a superior preservability, and is capable of producing images of high density, wherein the diazo recording material comprises a support having thereon a recording layer compr... | 07/12/1994 |
| 5310618 | Light-sensitive compositions and articles utilizing a compound or polymer containing an aromatic diazonium salt group and a light-absorbing residue of a sensitizing dye for trichloromethyl-s-triazine or azinium salt photopolymerization initiators A light-sensitive composition comprising either an alkali-soluble resin or radical-polymerizable, unsaturated compound, and a diazonium compound represented by general formula (I) or (II): (S)1 --(L1)m --(D)n ... | 05/10/1994 |
| 5264318 | Positive type photosensitive composition developable with water comprising a photocrosslinking agent, a water-soluble resin and an aqueous synthetic resin A positive type photosensitive composition developable with water or warm water alone of water-soluble photocrosslinking agent, water-soluble resin and synthetic resin emulsion and further a coloring agent, if necessary.... | 11/23/1993 |
| 5254431 | Radiation-sensitive polymers having sulfonyl urthane side chains and azide containing side chains in a mixture with diazo compounds containing A radiation sensitive material suitable for the production of radiation sensitive plates for lithographic printing plate manufacture comprises a polymer having appendent azide-substituted aromatic ester groups and sulphonyl urethane groups. The radiation ... | 10/19/1993 |
| 5225309 | Light-sensitive litho printing plate with cured diazo primer layer, diazo resin/salt light-sensitive layer containing a coupler and silicone rubber overlayer Disclosed is a light-sensitive litho printing plate comprising: a support, a light-sensitive layer and a silicone rubber layer provided thereon, wherein said light-sensitive layer contains a substance, whereby said substance forms a color during developing or after... | 07/06/1993 |
| 5213939 | Light- and heat-sensitive recording material A light- and heat-sensitive recording material is disclosed which includes a support having thereon a recording layer containing a diazo compound, a coupling component, and an organic base compound, wherein the diazo compound is a 1-substituted amino-3-al... | 05/25/1993 |
| 5206349 | Aromatic diazo compounds and photosensitive compositions using the same An aromatic diazo compound having at least two groups of Formula (I) in the molecule. This aromatic diazo compound can be handled under visible light free from ultraviolet, is high in photosensitivity, and can be produced by a simple synthesis method. The... | 04/27/1993 |
| 5053288 | Optical recording medium An optical recording medium, particularly a magneto-optical recording medium, resistant to oxidation deterioration even in a hot and humid atmosphere, is provided by forming an organic protecting adhesive layer of a UV-curved resin having (1) an acid valu... | 10/01/1991 |
| 5002856 | Thermally stable carbazole diazonium salts as sources of photo-initiated strong acid This invention relates to carbazole diazonium salts which are used in pre-polymer or polymer compositions as sources of photoinitiated strong acids in such developments as imaging films where strong acids are needed to effect polymerization of the film or... | 03/26/1991 |
| 4983501 | Positive-working radiation-sensitive composition and radiation-sensitive recording material prepared therewith A positive-working radiation-sensitive composition is described, which comprises a binder which is insoluble in water and soluble or swellable in organic solvents and in aqueous-alkaline solutions, a compound which forms a strong acid upon irradiation, an... | 01/08/1991 |
| 4983491 | Photosensitive diazo resin composition with polyurethane resin having carboxyl group in its main chain A photosensitive composition is described, comprising a diazonium compound and a polyurethane resin having a carboxyl group in its main chain. The composition can be developed with an aqueous alkali developer to provide a lithographic printing plate havin... | 01/08/1991 |
| 4980260 | Multi-color image-forming method with microcapsule positive diazotype color image formation and positive light-solubilizing color image formation A multicolor image-forming method which comprises image-exposing a light-sensitive heat-sensitive recording material having a diazo compound and a coupling component on a support using a positive image followed by developing to form a color image, image-e... | 12/25/1990 |
| 4957845 | Printing plate The present invention is concerned with a printing plate of which image formation is done by photoirradiation, having a front side covered waith a peelable or removable protective layer which contains a photofading material. The printing plate is safe aga... | 09/18/1990 |
| 4937175 | Free radically initiated process Compositions comprising a free radical sensitive compound and a thermally stable substituted diazene which upon exposure to electromagnetic radiation is convertible to a thermally unstable substituted diazene may be formed and processed utilizing thermall... | 06/26/1990 |
| 4914000 | Three dimensional reproduction material diazonium condensates and use in light sensitive A light-sensitive compound having the formula: ##STR1## wherein R3 is selected from the group consisting of phenyl and C1 to C4 alklyl substituted phenyl. --K-- is selected from the group consisting of ##STR2## ... | 04/03/1990 |
| 4895826 | Heat-sensitive recording material with diazonium salt and coupler precursor with ester or urethane group A heat-sensitive recording material is disclosed, which comprises a support having thereon a heat-sensitive recording layer comprising a diazo compound and a coupler precursor compound, said coupler precursor compound being capable of forming a compound h... | 01/23/1990 |
| 4789619 | Positive-working radiation-sensitive mixture comprising a sensitizing polymethine dye A positive-working radiation-sensitive mixture is described that contains (a) a radiation-sensitive compound which forms a strong acid under the action of actinic radiation, (b) a compound with at least one C--O--C bond cleavable by acid, (c) a binder whi... | 12/06/1988 |
| 4770973 | Heat-sensitive diazo recording material with diphenyl alkene coupler In a heat-sensitive recording material which comprises a substrate and a heat-sensitive recording layer thereon containing a diazonium salt and coupler compound, the heat-sensitive recording material characterized in that the coupler compound comprises at... | 09/13/1988 |
| 4760048 | Multicolor heat-sensitive recording material A multicolor heat-sensitive recording material is disclosed, comprising a support having carried thereon at least two colorless or light-colored color formers capable of developing different colors and color developers capable of reacting with said color ... | 07/26/1988 |
| 4731316 | Photosensitive composition A photosensitive composition of this invention comprises: (a) a photosensitive diazo resin represented by the following general formula (I): ##STR1## wherein R1, R2 and R3 each represents a hydrogen atom, an alkyl or... | 03/15/1988 |
| 4687728 | Radiation sensitive compositions Radiation sensitive compositions are image-wise exposed and developed to form an image which is then heated to improve its strength as a lithographic printing image or etch resist. The heating is carried out in the presence of a heat sensitive dye which u... | 08/18/1987 |
| 4668615 | Heat developable light-sensitive material A heat developable light-sensitive material containing a compound represented by the general formula (I): wherein ar represents an aryl group or a heterocyclic group; R represents a substituent other than an aryl group and a heterocyclic group; Ar and R m... | 05/26/1987 |
| 4661432 | Light-sensitive, diazonium group-containing polycondensation product, process for its production, and light-sensitive recording material containing this polycondensation product A light-sensitive, diazonium group-containing polycondensation product is described which comprises (a) an optionally substituted diphenylamine-dianzonium salt I. (b) a compound corresponding to the formula II wherein R4 is H, alkyl or acyl, and R5... | 04/28/1987 |
| 4659653 | Heat developable light-sensitive material A heat developable light-sensitive material comprising a support having thereon at least a layer containing a novel compound having a group accelerating a reaction of decarboxylation, which releases a base by decarboxylation on heating. The heat developab... | 04/21/1987 |
