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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 525/489 - With additional aldehyde or aldehyde-type reactant or polymer therefrom which is distinct from aldehyde or aldehyde-type reactant used in forming solid polymer or SICP; or with nitrogen-containing reactant


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a solid polymer or specified intermediate
No. of patents: 54
Last issue date: 01/29/2008


1    
NumberTitleIssue Date
7323534Phenol-formaldehyde resole resins, method of manufacture, methods of use, and articles formed therefrom
A composition is disclosed, which comprises a hydroxyaromatic-aldehyde resole resin comprising an aldehyde and a hydroxyaromatic compound, modified with a urea-aldehyde condensate. The composition has improved premix stability, improved cure efficiency, comparable t...
01/29/2008
7259213Indole resins epoxy resins and resin compositions containing the same
This invention relates to epoxy resins containing indole as structural unit, indole resins and resin compositions containing said epoxy resins and indole resins useful for applications such as laminating, molding, casting and adhesion on account of their excellent f...
08/21/2007
7196156Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a mixture thereof. An aldehyde (different from the unsaturated aldehyde and...
03/27/2007
6734275Method of gluing wood based materials
The present invention relates to a method of gluing wood based materials by providing an adhesive system onto wood based materials followed by curing, the adhesive system comprises a urea based amino resin and a hardener composition, wherein the hardener composition...
05/11/2004
6376053Inter-laminar adhesive film for multi-layer printed wiring board and multi-layer printed wiring board using the same
An inter-laminar adhesive composition containing: (A) a liquid epoxy resin; (B) a polyfunctional epoxy resin having a softening point higher than a lamination temperature of the adhesive and with two or more epoxy groups within the molecule; and (C) a latent e...
04/23/2002
6329474Epoxidized phenol-hydroxybenzaldehyde condensate, bisphenol-formaldehyde condensate and masked imidazole
An epoxy resin composition for printed wiring boards which comprises as the essential components (a) an epoxy resin obtained by epoxidizing a condensation product of a phenol with hydroxybenzaldehyde, (b) a condensation product of bisphenol A with formald...
12/11/2001
6274251Semiconductor encapsulating epoxy resin composition and semiconductor device
An epoxy resin composition contains (A) an epoxy resin, (B) a phenolic resin curing agent, (C) a curing catalyst, and (D) an inorganic filler. The catalyst is a quaternary phosphorus compound or a quaternary phosphorus compound which has been mixed and re...
08/14/2001
6214468Flame retardant epoxy resin composition for printed board, and prepreg and metal foil clad laminate using the same
A flame retardant epoxy resin composition which can improve heat resistance and exhibit an excellent adhesion strength and insulation reliability when applied to a printed circuit board or to a multilayered interconnection laminate is provided, and a prep...
04/10/2001
6160078Semiconductor encapsulating epoxy resin composition and semiconductor device
An epoxy resin composition comprising an epoxy resin of a specific structure, a phenolic resin of a specific structure, and an inorganic filler is suited for semiconductor encapsulation since it is effectively moldable and cures into products having impro...
12/12/2000
6027812Encapsulant of crystalline epoxy resin and phenolic resin-crystalline epoxy resin reaction product
An epoxy resin composition comprising a crystalline epoxy resin, a phenolic resin, and an inorganic filler is improved in moldability by previously reacting phenolic hydroxyl groups on the phenolic resin with epoxy groups on the crystalline epoxy resin to...
02/22/2000
5952447Phenol resin composition and method of producing phenol resin
Disclosed is a phenol resin composition containing a specific triazines-modified novolak phenol resin comprising phenols, triazines and aldehydes, and a method for producing the triazines-modified novolak phenol resin comprising the steps of as a first st...
09/14/1999
5760104Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same
A binder solution of a phenolic novolak resin in solvent, preferably furfuryl alcohol containing at least one chemical agent such as amines containing one to five, preferably two to four, nitrogen atoms, glycerine or mixtures thereof. Preferably, the bind...
06/02/1998
5714238Conductive adhesive and circuit using the same
There is disclosed a conductive adhesive comprising (A) conductive particles having a surface of at least one of nickel and nickel-boron alloy, and the surface of which has been subjected to surface treatment with a mixture of a polyoxyalkylene phosphate compo...
02/03/1998
5693725Crosslinked Mannich-Michael polycondensates
Novel polymers of general formula: ##STR1## wherein where n is a whole number from 2 to 10; R is a spacing group comprising (a) at least one of m methylene units where m is a whole number from 1 to 20, m' methine units where m' is a whole number from...
12/02/1997
5684114Cross-catalyzed phenol-resorcinol adhesive
A two-part adhesive is provided wherein the first part comprises a stable aqueous alkaline monohydroxylic phenolic resole resin solution containing a methylene donor such as oxazolidine or a methylolurea and the second part comprises a stable resorcinolic...
11/04/1997
5677414Acetal derivatives of resole compounds
Cyclic acetal derivative of a resole includes the reaction product of an ortho resole compound with a carbonyl compound or a carbonyl compound derivative. The cyclic acetal derivatives of phenolic resole compounds exhibit enhanced storage stability and ca...
10/14/1997
5663246Acetal derivatives of resole compounds
Cyclic acetal derivative of a resole includes the reaction product of an ortho resole compound with a carbonyl compound or a carbonyl compound derivative. The cyclic acetal derivatives of phenolic resole compounds exhibit enhanced storage stability and ca...
09/02/1997
5644006High strength thermoset copolymers incorporating modified bisoxazoline monomers.
The present invention provides novel thermoset copolymers, and methods for preparing same, having both the strength and the thermo-oxidative stability required for high performance, high temperature applications. The copolymers comprise (a) a thermoplasti...
07/01/1997
5623031Modified liquid epoxy resin composition
A modified liquid epoxy resin composition is provided by reacting a crystalline epoxy resin, from about 3 to about 20 parts by weight, based on the epoxy resin, of a compound having two or more phenolic hydroxyl groups and/or carboxyl groups in one molecu...
04/22/1997
5525684Phenolic resin composition
A phenolic resin composition comprises a mixture of 100 parts by weight of a phenol aralkyl resin and 5 to 60 parts by weight of a novolak type phenolic resin having a content of binuclear components of not more than 10% by area, and a content of trinucle...
06/11/1996
5464910Epoxy resin adduct combined with a borate ester and phenolic compound
An epoxy resin composition having high epoxy curing property and sufficient storage stability, and an epoxy curing agent therefor. The curing agent or the cure accelerating agent obtained by treating the surfaces of (1) an epoxy adduct obtained by adding ...
11/07/1995
5409972Process for the preparation of modified aminoalkylation products and cationic paint binders made by the process
This invention relates to a process for the preparation of self-crosslinking cationic paint binders which can be diluted with water after protonation and are based on modified aminoalkylation products of phenols; to the binders prepared by this process an...
04/25/1995
5382608Binder mixtures containing reactive group containing lignin and novolaks
A binder mixture containing lignin or lignins with reactive groups and phenol-novolac in a weight ratio of 95:5 to 50:50 useful for the production of non-woven fabrics and wood fiber materials....
01/17/1995
5342904Polymer modified adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties
Polymer modified adducts are prepared by (A) reacting (1) an epoxy resin having an average of more than one vicinal epoxide group with (2) a compound containing an average of two or more hydrogen atoms reactive with an epoxide group; and (B) partially vin...
08/30/1994
5302666Bisphenol A and novolak epoxy resins with nitrile rubber
A resin composition for fiber reinforced plastic comprising the following components A, B, C, D and E as essential components: A: a bisphenol A epoxy resin having an epoxy equivalent of at most 250 and being liquid at room temperature, B: a bisphenol A epoxy r...
04/12/1994
5300593Lignin modified binding agents
A binding agent for molding compositions and molded bodies produced by reacting a low molecular weight lignin from the Organosolv process with phenol in a weight ratio of 1:20 to 3:1 at 100° to 180° C., adjusting the pH to an acidic value and condensing...
04/05/1994
5248740Blends of mesogenic polythiiranes and epoxy resins
A rodlike mesogenic moiety-containing polythiirane resin is blended with an epoxy resin and when cured with a curing agent is useable in molding applications....
09/28/1993
5182340Blends of mesogenic polythiiranes, epoxy resin and curing agent
A rodlike mesogenic moiety-containing polythiirane resin is blended with an epoxy resin, is curable with a curing agent and can be employed in molding applications....
01/26/1993
5171797Water borne hermetic coating
An hydrolytically stable, heat-curable composition useful as an hermetic varnish for electrical conductors comprising an aqueous solution with or without organic co-solvents of: 1) an adduct of an epoxide of a phenol-formaldehyde condensate and a dialkano...
12/15/1992
5162437Epoxy resin composition with hydrogenated diene glycidyl ether
A resin composition, comprisng a glycidyl ether of a hydrogenated conjugated diene polymer, an epoxy resin, and a reaction product of a phenolic compound with formaldehyde, having improved flexibility and thermal stability and useful for sealing a semicon...
11/10/1992
4853279Curable composition for a fiber-reinforced resin
A curable composition for a fiber-reinforced resin, comprises (A) 60-90 weight % of an epoxy-containing (meth)acrylate resin which contains an epoxy group and an unsaturated-monobasic acid ester group in its molecules and which is formed by the reaction o...
08/01/1989
4839444High solids enamel
The invention discloses a high solids wire enamel having a surprisingly low viscosity. The enamel comprises a mixture of high molecular weight and low molecular weight linear hydroxy polyethers, a phenolic resin, an isocyanate and possibly a melamine. The...
06/13/1989
4835240Epoxy resin composition
An epoxy resin composition comprising a trifunctional epoxy resin derived from a trisphenol having the structure represented by the following general formula ##STR1## wherein R represents a hydrogen atom, an alkyl group or a halogen atom, and a ...
05/30/1989
4801661Process for the manufacture of self-crosslinking paint binders
Self-crosslinking paint binders, particularly for the formulation of water-dilutable, cathodically depositable paints (CED-paints), are obtained through reaction of formaldehyde with the reaction product of aminoalkylation products of phenols carrying at ...
01/31/1989
4745024Non-woven textiles
A non-woven textiles comprising a web of organic fibers bonded together by a binder applied to the fibers as a powdered mixture of a non-heat reactive phenolic resin and at least one thermoreactive condensation resin selected from the group consisting of ...
05/17/1988
4711937Self-crosslinking paint binders and process for their manufacture
Self-crosslinking paint binders, particularly for the formulation of water-dilutable, cathodically depositable paints (CED-paints), are obtained through reaction of formaldehyde with the reaction product of aminoalkylation products of phenols carrying at ...
12/08/1987
4698401Polyfunctional phenolic reaction product, a process for its preparation and it use
A polyfunctional reaction product having functional phenolic OH groups is made available by reacting a phenol and an alkoxylated amino-aldehyde condensation product in the presence of a solvent and of an acid catalyst. This method makes it possible to pre...
10/06/1987
4647631Modified liquid resole phenolic resinous composition for friction materials
A resinous composition for friction materials, especially for non-asbestos type friction materials is disclosed. The composition is composed of a phenolic resin modified by the reaction product of an acrylonitrile-butadiene liquid rubber with an epoxy res...
03/03/1987
4600751Hydrophilic silicone-organic copolymer elastomers
This invention provides compositions which are curable to hydrophilic, water-absorbing silicone-organic copolymer elastomers via free radical polymerization such as by the use of free radical precursors, UV or electron beam. The compositions are mixtures ...
07/15/1986
4578438Preparation of resinous products
Water-dilutable resinous products are obtained by reacting (A) a resin having at least one phenolic hydroxyl group and a free position ortho and/or para to a phenolic hydroxyl group, and containing a residue formed by polymerization of a vinyl monomer in the r...
03/25/1986
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