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Class Information
Number: 528/98
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From phenol, phenol ether, or inorganic phenolate > From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant > Phenolic reactant contains at least three distinct aromatic or carbocyclic rings or mixtures thereof
Description: Subject matter wherein the phenol, phenol ether, or inorganic phenolate contains at least three rings and wherein each of said rings is composed solely of carbon atoms.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8618238 Shape memory epoxy polymers Dec. 31, 2013
8609806 Phosphorus-containing phenol compound, production method therefor, and curable resin compositons and cured products using the compound Dec. 17, 2013
8546510 Crystalline resin cured product, crystalline resin composite material, and method for producing the same Oct. 1, 2013
8410210 Fluorine-containing novolac resin, fluorine-containing surfactant, fluorine-containing surfactant composition, and resin composition Apr. 2, 2013
8288591 Curing agents for epoxy resins Oct. 16, 2012
8263714 Epoxy resin composition, cured article thereof, semiconductor sealing material, novel phenol resin, novel epoxy resin, method for producing novel phenol resin, and method for producing novel e Sep. 11, 2012
7968672 Phenolic resin, process for production thereof, epoxy resin, and use thereof Jun. 28, 2011
7935739 Cationic curable composition and cured product thereof May. 3, 2011
7910181 Method for preparation of anisotropic materials Mar. 22, 2011
7884172 Tetraglycidyl ether of 1,1,2,2-tetrakis(hydroxyphenyl)ethane Feb. 8, 2011
7816482 Epoxy-crosslinked sulfonated poly (phenylene) copolymer proton exchange membranes Oct. 19, 2010
7495060 Tetrakisphenol and non-clathrated curing agent for epoxy resin Feb. 24, 2009
7390540 Method for preparation of anisotropic materials Jun. 24, 2008
7268193 Branched polyphenylene polymers Sep. 11, 2007
7108807 Methods for producing a dielectric, dielectric having self-generating pores, monomer for porous dielectrics, process for preparing poly-o-hydroxyamides, process for preparing polybenzoxazoles, Sep. 19, 2006
7087702 Epoxy resin composition, process for producing epoxy resin, novel epoxy resin, novel phenol resin Aug. 8, 2006
7067233 Compound having an epoxy group and a chalcone group, method of preparing the same, and photoresist composition comprising the same Jun. 27, 2006
6903180 Epoxy resins, process for preparation thereof, epoxy resin compositions and cured articles Jun. 7, 2005
6812318 Epoxy resins, epoxy resin mixtures, epoxy resin compositions and products of curing of the same Nov. 2, 2004
6784228 Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same Aug. 31, 2004
6727325 Composition of epoxy resin and clathrate of tetrakisphenol and epoxy-reactive curing compound Apr. 27, 2004
6713589 Phenyl, naphthly or fluorene cyclopentyl epoxy resins Mar. 30, 2004
6670042 Insulating film Dec. 30, 2003
6663930 Chemical resistant adhesive composition Dec. 16, 2003
6660811 Epoxy resin composition and curing product thereof Dec. 9, 2003
6613437 Two-component preparations containing epoxy compounds Sep. 2, 2003
6608161 Process for producing phenol-dicarbonyl condensates with increased fluorescence, epoxy resins, epoxy resin systems and laminates made with the same Aug. 19, 2003
6512075 High Tg brominated epoxy resin for glass fiber laminate Jan. 28, 2003
6329492 Phenyl, naphthyl or fluorene cyclopentyl epoxy resins Dec. 11, 2001
6277944 Alkylated and/or aralkylated polyhydroxy aromatic compounds and processes for their preparation and use Aug. 21, 2001
6252025 Vinyl hyperbranched polymer with photographically useful end groups Jun. 26, 2001
6232411 Hydrogenated diglycidyl ethers of bipheny-4,4'-diol May. 15, 2001
6210811 Epoxy resin composition, laminate film using the same, and semiconductor device Apr. 3, 2001
6169158 Polyglycidyl compounds Jan. 2, 2001
6156865 Flame retardant thermosetting resin composition Dec. 5, 2000
6090870 Epoxy resin composition Jul. 18, 2000
6084039 Epoxy resin composition Jul. 4, 2000
6043333 Modified epoxy resin, epoxy resin composition and cured product thereof Mar. 28, 2000
6031012 Curable composition, foam produced therefrom, and process for producing the foam Feb. 29, 2000
5981687 Polymer compositions for demulsifying crude oil Nov. 9, 1999
5955551 Polyglycidyl ethers of secondary alcohols, their preparation, and curable compositions containing them Sep. 21, 1999
5952447 Phenol resin composition and method of producing phenol resin Sep. 14, 1999
5948923 Phenolepoxy resins prepared from an aqueous-phase-free process Sep. 7, 1999
5939473 Epoxy resin, resin composition, and resin-encapsulated semiconductor device Aug. 17, 1999
5932636 Aqueous dispersion of ionic aralkylated epoxy resin and blocked polyisocyanate with polymerized monomers Aug. 3, 1999
5897811 Fluorescent polymers and coating compositions Apr. 27, 1999
5880246 Polyepoxy composition containing trisepoxide Mar. 9, 1999
5849857 Production method for photo-sensitive resin and liquid photo-sensitive resin composition Dec. 15, 1998
5834620 Aromatic polyamides and polyesters containing ortho-ether groups Nov. 10, 1998
5811504 Liquid crystalline epoxy monomer and liquid crystalline epoxy resin containing mesogen twins Sep. 22, 1998

1 2 3 4 5 6

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