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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.

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Class 528/146 - Nitrogen-containing material contains a nitrogen atom directly bonded to a carbon atom


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the nitrogen-containing specified
No. of patents: 62
Last issue date: 05/23/2006


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NumberTitleIssue Date
7049387Cure accelerator system for phenolic resins
The cure rate of phenol-aldehyde resins is accelerated by conjoint use of a cyclic carbonate cure accelerant and an amine cure accelerant. The cure rate is accelerated still further by addition of a resorcinol source to resin comprising a cyclic carbonate and an ami...
05/23/2006
6541576Composition and method for curing a resorcinol resin
A catalyst curing system or hardener for resorcinolic resins, such as resorcinol-formaldehyde or phenol-resorcinol-formaldehyde resins including methylolurea. The methylolurea may be used in combination with oxazolidine in ratios ranging from 5:95 to 95:,...
04/01/2003
6482946High char yield benzoxazine compositions
A high char yield polybenzoxazine is formed by mixing (i) a benzoxazine compound, (ii) a furan compound, (iii) a benzoxazine-furan compound or combinations thereof, wherein the mixture has a benzoxazine ring to furan ring ratio from about 0.001 to about 1...
11/19/2002
6160079Activated arylamine-based polybenzoxazines
Arylamines with electron donating groups such as alkyl and alkoxy groups in the meta position on the aromatic ring change the polymerization temperature of the benzoxazine prepared therefrom and offer an opportunity for an additional crosslinking site (th...
12/12/2000
6005064Thermosetting compounds, cured product thereof and method of preparing the thermosetting compound
A novel thermosetting compound which is speedily curable, generates no by-products during curing and gives cured products having excellent heat resistance and inflammability. A thermosetting compound characterized in containing, per molecule, at least one...
12/21/1999
5944938wood bonding method
The invention is a method of gluing wood using a reactive two component thermosetting adhesive such as a phenol-resorcinol-formaldehyde (PRF) condensation product. One component is first coated on one of the members to be bonded. The second component is t...
08/31/1999
5907026Polycarbonate compositions comprising polyester resins and ultraviolet light absorbers
Weatherable polycarbonate compositions (formulations or blends) comprise polycarbonate, cycloaliphatic polyester resins, at least one of a benzotriazole, benzophenone, and triazine based UVA, and a catalyst quencher. The incorporation of the cycloaliphati...
05/25/1999
5886134Bismaleimide-triazine resin and production method thereof
The invention relates to a Bismaleimide-Triazine resin (BT resin ) and production method thereof and in particular, a series of novel BT resin prepared by reacting a novel bismaleimide with various aromatic cyanate esters. By combining said novel bismalei...
03/23/1999
5872195Curable coating compositions containing carbamate additive
Curable coating compositions are described comprising (a) a polymer resin comprising active hydrogen-containing functional groups, (b) a curing agent having groups that are reactive with said functional groups on (a), and (c) a compound comprising at least one...
02/16/1999
5859169Urethane-modified novolaks for increasing the steel cord adhesion and rigidity of vulcanized rubber blends
Urethane-modified novolaks which are prepared by simultaneous reaction of a monohydric or polyhydric phenol (A) with an oxo compound (aldehyde or ketone) (B) and a urethane (C) in the presence of an acidic catalyst (D) at an elevated temperature of 60° t...
01/12/1999
5847190Dendritic nitrogen-containing organic compounds containing planar-chiral or axial-chiral end groups and the preparation and use thereof
The present invention relates to dendritic, nitrogen-containing organic compounds containing at least 4 planar-chiral or axial-chiral groups, where these planar-chiral or axial-chiral groups are linked as Schiff's bases to the primary amino groups of comp...
12/08/1998
5763558Process and composition for the use of substituted melamines as hardeners of novolac resins
A process for hardening a composition and a hardenable composition, in wh there are used: at least one novolac resin; at least one hardener of the resin, selected from the group consisting of substituted melamines; at least one compound comprising at least on...
06/09/1998
5763559Phenol-formaldehyde resins modified with guanidine salts
A guanidine-modified phenol-formaldehyde resole resin by reacting formaldehyde and phenol at a formaldehyde to phenol mole ratio above about 1.5:1 in the presence of an effective amount of an alkaline catalyst and in the presence of a catalytic amount of ...
06/09/1998
5731404Polyimide film from pyromellitic dianhydride and a bis(4-aminophenoxy) aromatic compound as an alignment layer for liquid crystal displays
A polyimide alignment film based on pyromellitic dianhydride and a bis(4-aminophenoxy) aromatic compound, such as 1,3-bis(4-aminophenoxy)benzene or 1,4-bis(4-aminophenoxy)benzene, providing low tilt angles of from to 2 degrees when used in liquid crystal ...
03/24/1998
5688893Method of using a Lewis base to control molecular weight of novolak resins
The present invention provides methods for producing water insoluble, aqueous alkali soluble novolak resins having a precise and consistent molecular weight, by adjusting the concentration of Lewis base. A method is also provided for producing photoresist...
11/18/1997
5623032Low-volatile and strongly basic tertiary amino alcohols as catalyst for the manufacture of improved phenolic resins
A process for preparing ashless and low-ash phenolic resole resins having no amine odor, and a process for preparing storage-stable mixtures or premix solutions of phenol-formaldehyde resin and urea or unrea-formaldehyde resins. These processes react phen...
04/22/1997
5614349Using a Lewis base to control molecular weight of novolak resins
The present invention provides methods for producing water insoluble, aqueous alkali soluble novolak resins having a precise and consistent molecular weight, by adjusting the concentration of Lewis base. A method is also provided for producing photoresist...
03/25/1997
5538761Process for preparing binder-treated fiberglass exhibiting lowered formaldehyde and ammonia emissions and product prepared thereby
Emissions of formaldehyde and ammonia from urea-extended alkaline phenol/formaldehyde resole fiberglass binders are sharply reduced by using as a catalyst an emission-reducing effective amount of an acidifying agent which is a hydrolyzable inorganic salt,...
07/23/1996
5512641Aromatic polyimine and process for preparing the same, and aromatic oligoimine used for aromatic polyimine and process for preparing the same
What is disclosed an aromatic oligoimine having a recurring unit composed of an aromatic dialdehyde having a phenolic hydroxyl group and an aromatic diamine and a number-average degree of polymerization of 2 to 20 and a process for preparing the same, and...
04/30/1996
5476750Metal ion reduction in the raw materials and using a Lewis base to control molecular weight of novolak resin to be used in positive photoresists
The present invention provides methods for producing water insoluble, aqueous alkali soluble novolak resins having a very low level of metal ions and a substantially consistent molecular weight. A method is also provided for producing photoresist composit...
12/19/1995
5264500APT resins
A thermosetting resin designated a "APT" resin is produced by a two-step procedure in which a substituted aromatic compound, preferably diphenyl ether is reacted with formaldehyde to produce an oligomeric backbone, followed by further reaction with a phen...
11/23/1993
5155164Products of the condensation of phenolmonosulfonic acids, dihydroxydiphenyl sulfones, urea and formaldehyde
Products of the condensation of phenolmonosulfonic acids, dihydroxydiphenyl sulfones, urea and formaldehyde can be obtained by (A) preparing a homogeneous reaction mixture in sulfuric acid from the phenolmonosulfonic acid and dihydroxydiphenyl sulfone in the m...
10/13/1992
5109078Cyanato group containing phenolic resins, phenolic triazines derived therefrom
The present invention is a cyanato group containing phenolic resin of the formula: ##STR1## wherein n is 0 or an integer of one or more, and R is the same or different and is selected from the group consisting of hydrogen and methyl radicals. Th...
04/28/1992
5093385Method of accelerating photoiniferter polymerization, polymer produced thereby, and product produced therewith
The invention relates to an accelerated photoiniferter polymerization method which involves the addition of a polymerization accelerating amount of a at least one metal compound accelerator during the photoiniferter polymerization process. Preferably, the...
03/03/1992
5004788Cyanato group containing phenolic resins, phenolic triazines derived therefrom
The present invention is a cyanato group containing phenolic resin of the formula: ##STR1## wherein n is 0 or an integer of one or more, and R is the same or different and is selected from the group consisting of hydrogen and methyl radicals. Th...
04/02/1991
4988780Flame resistant article made of phenolic triazine and related method using a pure cyanato novolac
The present invention is flame resistant article and related method, made of phenolic triazine resin derived from a cyanato group containing phenolic resin of the formula: ##STR1## wherein: n is a positive whole number greater than or equal to 1; q a...
01/29/1991
4978727Cyanato group containing phenolic resins, phenolic triazines derived therefrom
The present invention is a cyanato group containing phenolic resin, and method to prepare the resin. The resin of the present invention is stable and has a long shelf life. This is indicated by the gel time of greater than 1 minute, preferably greater tha...
12/18/1990
4977231Phenolic resin containing a latent hardening agent comprising the carbamate reaction product of a cyclic
Carbamate curing agents for phenol-aldehyde resins provide a delayed curing period for product assembly. Thereafter, the resin cures quickly even at low temperatures....
12/11/1990
4970276Phenolic triazine copolymers based on pure cyanato novolacs
Phenolic cyanate/phenolic triazine copolymers and cured resins prepared therefrom....
11/13/1990
4942217Novel heat-hardenable binders phenol-formaldehyde+HMT+acid
A heat-hardenable binder comprising (a) a phenolic resin of a phenolic compound and formaldehyde in a molar ratio of 1:1 to 1:2 and (b) an effective amount of a hardener mixture of hexamethylenetetramine and an acidic latent hardening agent with reduced e...
07/17/1990
4940852Pressure sensitive adhesive composition
A liquid or viscous curable adhesive composition having a prolonged pot life which is composed of a liquid or viscous curable resin which has, preferably evenly and randomly dispersed therethroughout, a multiplicity of rupturable microcapsules containing ...
07/10/1990
4904753Acid/oxidizer catalyst system for storage stable, quick-cure phenolic resins of the resole or benzylic ether resole type
Disclosed is a catalyst system which improves the cure time of acid-catalyzable resole resins while providing extended shelf life thereof. Broadly, the present invention includes a method for formulating an acid-catalyzed, non-aqueous resole resin composi...
02/27/1990
4870154Method of producing a quick-curing novolac phenolic resin using ammonium halides
A method of producing a novolac phenolic resin having quick-curing properties and good fluidity is disclosed, whereby the novolac resin is prepared by reacting a phenol with an aldehyde using an acidic catalyst and thereafter adding an ammonium halide. Th...
09/26/1989
4851279Fibers made from cyanato group containing phenolic resins, and phenolic triazines resins
The present invention is a fiber comprising cyanato group containing phenolic resin comprising repeating units of the formula: ##STR1## wherein p is 0 or an integer of one or more, q is 0 or an integer of 1 or more, X is a radical selected from the g...
07/25/1989
4831086Cyanato group containing phenolic resins, phenolic triazines derived therefrom
The present invention is a cyanato group containing phenolic resin of the formula: ##STR1## wherein n is 0 or an integer of one or more, and R is the same or different and is selected from the group consisting of hydrogen and methyl radicals. Th...
05/16/1989
4808639Liquid curable adhesive composition comprising a polyester resin and a microencapsulated peroxide curing agent
A liquid or viscous curable adhesive composition having a prolonged pot life which is composed of a liquid or viscous curable resin which has, preferably evenly and randomly dispersed therethroughout, a multiplicity of rupturable microcapsules containing ...
02/28/1989
4656239Process for the preparation of phenol formaldehyde resole resins
The process described herein involves the gradual addition of aqueous formaldehyde, containing 35-60 percent by weight of formaldehyde, to a phenol maintained at a temperature of 60°-100° C., preferably 70°-90° C., and at a reduced pressure of 11-26 ...
04/07/1987
4640971Microspherical particles of resole resins and process for producing the same
A resole resin in the form of microspherical particles whose surfaces are partly or entirely covered with a coating of a substantially water-insoluble inorganic salt and which are not larger than 500 μm in size, and a process for producing such resole re...
02/03/1987
4612254Aromatic carboxylic acid and metal-modified phenolic resins and methods of preparation
Novel metal-modified phenolic resins useful in the color developer part of a carbonless copy paper system are disclosed, as well as methods for preparing such resins. The metal-modified phenolic resins are reaction products of an aromatic carboxylic acid ...
09/16/1986
4579876Polyols for the production of rigid polyurethane foams
A polyol comprising an alkoxylated modified resole, said modified resole being formed by the reaction of (i) a phenolic compound and/or mixtures of homologues thereof, (ii) urea and/or melamine, (iii) an organic primary and/or secondary amine group-containing compo...
04/01/1986
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