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| Number | Title | Issue Date |
| 7196156 | Flexibilized 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 |
| 6891014 | Oligomeric hydroxy arylether phthalonitiles and synthesis thereof An aromatic ether oligomer or polyaromatic ether comprising the formula: wherein Ar is an independently selected divalent aromatic radical; formed by reacting a dihydroxyaromatic with a dihaloaromatic; and wherein the ... | 05/10/2005 |
| 6770107 | Abrasive-filled thermoset composition and its preparation, and abrasive-filled articles and their preparation A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and exhibits excellent toughness after curing. Useful articles prepared from ... | 08/03/2004 |
| 6723780 | Novolac polymer planarization films with high temperature stability A process for forming a planarization film on a substrate that does not smoke or fume on heating includes applying a polymeric solution including a novolac resin having a weight average molecular weight between about 1000 and 3000 amu, which has been fractionated to... | 04/20/2004 |
| 6646095 | Process for the manufacture of copolymers of formaldehyde and diphenyl oxide A process for the manufacture of copolymers of formaldehyde and diphenyl oxide and a carboxylic acid uses and acid with a pKa in the range of 1.2 to 3 as the catalyst.... | 11/11/2003 |
| 6642345 | Novolak aralkyl resin, preparation process thereof and composition containing said resin Preparation process for a novolak aralkyl resin having excellent heat resistance and curing property by reacting 0.4 to 0.8 mol of an aralkyl compound based on one mol of the low molecular weight novolak containing 90% by weight or more of bi-nuclear novo... | 11/04/2003 |
| 6605685 | Low smoke producing resin for use in honeycomb sandwich panels An improved resin for use in making honeycomb sandwich panels. The improvement involves modifying a phenolic resin so that the amount of smoke and heat generated during combustion is reduced. The reduction in smoke and heat generation is achieved by reduc... | 08/12/2003 |
| 6593391 | Abrasive-filled thermoset composition and its preparation, and abrasive-filled articles and their preparation A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and exhibits excellent toughness after curing. Useful articles pre... | 07/15/2003 |
| 6521359 | Polymeric fluorescent substance and polymer light emitting device Provided is a polymeric fluorescent substance which emits a fluorescence in a solid state, which comprises the following repeating unit in an amount of 20 mol % or more based on the total amount of all repeating units, ##STR1## in the formula, X1 | 02/18/2003 |
| 6506831 | Novolac polymer planarization films with high temperature stability A process for forming a planarization film on a substrate that does not smoke or fume on heating includes applying a polymeric solution including a novolac resin having a weight average molecular weight between about 1000 and 3000 amu, which has been frac... | 01/14/2003 |
| 6384177 | Process for producing polyurethane and polyisocyanurate An amine catalyst for production of a polyurethane and a polyisocyanurate is provided which comprises a quaternary ammonium compound represented by General Formula (1): ##STR1## where R1 to R6 are independently a linear or branched s... | 05/07/2002 |
| 6291600 | Method of preventing scale adhesion to the surfaces of a polymerization tank In a novel method of homo- or copolymerization of vinyl chloride, a specified coating agent is applied on the surfaces of the portions which will become into contact with the vinyl chloride monomer during the polymerization process. The coating agent is i... | 09/18/2001 |
| 6207789 | Phenolic resin, resin composition, molding material for encapsulation, and electronic component device The present invention provides a resin containing in the backbone chain a structural unit represented by the following Formula (I) or (II), as a novel phenolic resin having a high Tg, a low moisture absorption, a low molding shrinkage, high adhesive prope... | 03/27/2001 |
| 6124402 | Polyaddition copolymer and process for producing the same A novel polyaddition copolymer having repetition units represented by the following general formula: ##STR1## where R: a lower alkyl group, Ar: a bisphenol compound residue, and X: a CH2 O group or a COO group, is obtained by copolymerizat... | 09/26/2000 |
| 6117944 | Curable composition A curable composition comprising a polyfunctional oxetane compound and a polyphenol compound or phenol resin, where a quaternary onium salt or Crown ether compound is preferably further contained as a curing catalyst, provides a novel use for reactions of... | 09/12/2000 |
| 5908914 | Benzylic ether phenolic resole resins and their uses This invention relates to benzylic ether phenolic resole resins prepared in a sealed reaction vessel and their uses. The benzylic ether phenolic resole resins are prepared by heating phenol and an aldehyde in a sealed reaction vessel in the presence of a ... | 06/01/1999 |
| 5859153 | Novolak compounds useful as adhesion promoters for epoxy resins A composition useful as a powder coating comprises an epoxy resin and a novolak compound or resin having a structure obtained from the reaction of a substituted phenol such as cresol and an aldehyde to form a substituted bis(hydroxymethyl) phenol intermed... | 01/12/1999 |
| 5827927 | Macromonomers having reactive end groups A soluble rigid-rod macromonomer is provided which has the following formula: ##STR1## wherein each A1, A2, A3, and A4, on each monomer unit, independently, is C or N, and each G1, G2,... | 10/27/1998 |
| 5824744 | Macromonomers having reactive end groups A soluble rigid-rod macromonomer is provided which has the following formula: ##STR1## wherein each G1, G2, G3, and G4, on each monomer unit, independently, is H or a solubilizing side group, provided that ... | 10/20/1998 |
| 5739255 | Benzylic ether phenolic resole resins This invention relates to benzylic ether phenolic resole resins prepared in a sealed reaction vessel. The benzylic ether phenolic resole resins are prepared by heating phenol and an aldehyde in a sealed reaction vessel in the presence of a divalent metal ... | 04/14/1998 |
| 5559197 | Modified phenolic resin toughened by phenoxy resin A modified phenolic resin which is toughened by phenoxy resin is disclosed. The modified phenolic resin is prepared by the following steps: mixing a phenoxy resin having a weight average molecular weight of 10,000-1,000,000 and phenol in a weight ratio of... | 09/24/1996 |
| 5344909 | Latent catalyzed phenolic resole resin composition A latent catalyzed phenolic resin composition is provided containing a thermosetting phenolic resole resin and a latent catalyst consisting essentially of a primary or secondary amine salt of a strong acid.... | 09/06/1994 |
| 5319063 | Phenolic resin and method for preparing same A phenolic resin can be obtained by a condensation reaction between a specific trifunctional aromatic compound and a phenolic compound. This resin can be reacted with a curing agent such as a hexamine to give cured articles having excellent heat resistanc... | 06/07/1994 |
| 5302687 | Preparation of resins from phenolic compounds and oxazolines using ammonium or phosphonium salt catalysts A process for preparing a polymeric composition comprising reacting a mixture of at least one phenolic compound and at least one oxazoline compound in the presence of a catalytic amount of at least one ammonium salt and a tetracarbyl phosphonium salt, and... | 04/12/1994 |
| 5243015 | Latent catalyzed phenolic resole resin composition A latent catalyzed phenolic resin composition is provided containing a thermosetting phenolic resole resin and a latent catalyst consisting essentially of a primary or secondary amine salt of a strong acid.... | 09/07/1993 |
| 5157018 | Perfluoroalkyl group-containing polymers and reproduction layers produced therefrom Polymers comprising perfluoroalkyl groups, reproduction layers containing these polymers and use thereof for waterless offset printing. The novel perfluoroalkyl group-containing polymers comprise polymers or polycondensates and have, in each case as subst... | 10/20/1992 |
| 5114741 | Photodefinable interlevel dielectrics A predetermined pattern of a dielectric polymer is formed on a substrate from a mixture of prepolymers which are ethers of the reaction products of (a) a dicyclopentadiene and a phenol and (b) a dialdehyde and 3 to 4 moles of a phenol.... | 05/19/1992 |
| 5106936 | Thermoplastic compositions with nonlinear optical activity This invention provides thermoplastic polymeric materials comprising polycarbonate and polyestercarbonte resins and oriented polymeric compositions thereof which exhibit nonlinear optical properties.... | 04/21/1992 |
| 5081214 | Process for the preparation of an aromatic polyether A process for the preparation of an aromatic polyether by condensation of dihydric phenols with activated aromatic dihalo compounds or by self-condensation of polynuclear activated halophenols employs a mixture of sodium carbonate and sodium hydrogen carb... | 01/14/1992 |
| 5037935 | Thermoplastic compositions with nonlinear optical activity This invention provides thermoplastic polymeric materials comprising polycarbonate and polyestercarbonate resins and oriented polymeric compositions thereof which exhibit nonlinear optical properties.... | 08/06/1991 |
| 5025095 | Substituted diallylphenol derivatives as reactive diluents for bismaleimides Substituted diallylphenol derivatives are useful as reactive diluents for bismaleimides. Formulations comprising bismaleimides and substituted diallylphenol derivatives are particularly useful in resin transfer molding and filament winding techniques.... | 06/18/1991 |
| 4987198 | Thermosetting resin composition for injection molding There is provided thermosetting resin compositions suitable for injection molding compounds having an apparent curing rate of 0.7 and 0.008 cm/sec respectively at 170° C. and 110° C. by a disk cure tester and an apparent activation energy of at least 26... | 01/22/1991 |
| 4987206 | Crosslinking of aromatic ether containing polymers by halocarbons This invention relates to a process for cross-linking polymers that contain aromatic ether containing rings by heating the polymers together with selected halocarbon compounds. The crosslinked polymers have improved chemical resistance.... | 01/22/1991 |
| 4888409 | Thermotropic copolyazomethines and process for preparing them Thermotropic copolyazomethines having a mesophase temperature range lying within a desired range of values are obtained by copolymerizing terephthalic aldehyde with at least two different 1,n-bis(4-aminophenoxy)alkanes. Such copolyazomethines are particul... | 12/19/1989 |
| 4843143 | Copolymerization of bisoxazoline and polyphenolic compound with a hydrocarbon halide catalyst An improved process for increasing the rate of the copolymerization of mixtures of polyphenolic compounds having more than two phenolic hydroxyl groups per molecule and bis-oxazolines comprising carrying out the copolymerization in the presence of a catal... | 06/27/1989 |
| 4841002 | Liquid aromatic bisoxazoline and disoxazine monomer mixtures cured with polyphenolic compounds Compositions have melting points below 100° C. which are useful in the formation of resins by reaction with polyphenolic compounds consisting of a mixture of more than two compounds having the formula ##STR1## wherein A represents a cyclic or acycli... | 06/20/1989 |
| 4839446 | Thermosetting bis oxazoline-polyphenol based resins for resin transfer molding which contain a monooxazine or monooxazoline diluent A polymerizable thermosetting composition which is a flowable liquid at moderate temperatures which comprises a mixture of: (A) from about 75% to about 95% by weight of a mixture of: (1) from about 80% to about 20% by weight of a bisoxazoline and (2) from about 20%... | 06/13/1989 |
| 4816498 | Ethers of oligomeric phenol-dialdehyde condensation products and a vinyl-benzyl compound Oligomeric condensation products of certain dialdehydes and phenols can be end-capped with a vinylbenzyl moiety and certain other moieties, especially alkyl groups, to afford thermosetting resins particularly valuable in making laminated circuit boards. R... | 03/28/1989 |
| 4806267 | Liquid aromatic bisoxazoline and bisoxazine monomer mixtures and process for crosslinking using phenolics Compositions having melting points below 100° C. which are useful in the formation of resins by reaction with polyphenolic compounds consisting of a mixture of more than two compounds having the formula ##STR1## wherein A represents a cyclic or acyc... | 02/21/1989 |
| 4774282 | Thermoset composition comprising aromatic cyanate ester, allyl ethers of bisphenol and bismaleimide Novel curable resin compositions are disclosed containing an aromatic cyanate ester and an allyl ether of a bisphenol as a modifier. These compositions provide improved prepregs and composites. Additional modifiers including epoxy resins and bismaleimides... | 09/27/1988 |
