Inventor · disambiguated record
John R. Campbell
Also filed as: CAMPBELL JOHN · CAMPBELL JOHN R · CAMPBELL JOHN ROBERT
62 granted patents·22 pending applications·1,402 citations·filing 1977–2009
99Inventor score
Files withGEN ELECTRIC69GE PLASTICS JAPAN LTD1MOMENTIVE PERFORMANCE MAT INC1RUBINSZTAJN SLAWOMIR1SABIC INNOVATIVE PLASTICS IP1
Top patents by PatentIndex Score
84 records- 0196US6388046B1Flame retardant resin compositions containing phosphoramides, and method for makingGEN ELECTRIC·Filed 2000·Granted May 14, 2002·74 cites·65 claims
- 0296US5530052ALayered minerals and compositions comprising the sameGEN ELECTRIC·Filed 1995·Granted Jun 25, 1996·151 cites·34 claims
- 0393US6518357B1Flame retardant polycarbonate-silsesquioxane compositions, method for making and articles made therebyGEN ELECTRIC·Filed 2000·Granted Feb 11, 2003·63 cites·47 claims
- 0493US6433046B1Flame retardant resin compositions containing phosphoramides, and method of makingGEN ELECTRIC·Filed 2000·Granted Aug 13, 2002·56 cites·62 claims
- 0592US6613824B2Flame retardant resinous compositions and methodGEN ELECTRIC·Filed 2001·Granted Sep 2, 2003·46 cites·56 claims
- 0692US4814392ASilicone-polyarylene ether block copolymers, and method for makingGEN ELECTRIC·Filed 1987·Granted Mar 21, 1989·53 cites·7 claims
- 0791US6569929B2Method to prepare phosphoramides, and resin compositions containing themGEN ELECTRIC·Filed 2001·Granted May 27, 2003·33 cites·48 claims
- 0891US6228912B1Flame retardant resin compositions containing phosphoramides and method for makingGEN ELECTRIC·Filed 1999·Granted May 8, 2001·68 cites·50 claims
- 0991US4523002AIonically cross-linked siloxane polymersGEN ELECTRIC·Filed 1984·Granted Jun 11, 1985·48 cites·7 claims
- 1090US5262511ABranched aromatic carbonate polymerGEN ELECTRIC·Filed 1992·Granted Nov 16, 1993·37 cites·20 claims
- 1188US8048819B2Cure catalyst, composition, electronic device and associated methodMOMENTIVE PERFORMANCE MAT INC·Filed 2005·Granted Nov 1, 2011·19 cites·8 claims
- 1288US5124410AReactive graft polymersGEN ELECTRIC·Filed 1990·Granted Jun 23, 1992·54 cites·11 claims
- 1388US4493926ADissociating ionically cross-linked siloxane polymersGEN ELECTRIC·Filed 1984·Granted Jan 15, 1985·37 cites·11 claims
- 1487US7279223B2Underfill composition and packaged solid state deviceGEN ELECTRIC·Filed 2003·Granted Oct 9, 2007·26 cites·31 claims
- 1585US7148296B2Capped poly(arylene ether) composition and processGEN ELECTRIC·Filed 2003·Granted Dec 12, 2006·16 cites·37 claims
- 1685US7119136B2Flame-retardant thermoset composition, method, and articleGEN ELECTRIC·Filed 2004·Granted Oct 10, 2006·18 cites·46 claims
- 1785US7067595B2Poly (arylene ether) composition and methodGEN ELECTRIC·Filed 2003·Granted Jun 27, 2006·24 cites·39 claims
- 1885US6921785B2Flame retardant resinous compositions and methodGEN ELECTRIC·Filed 2002·Granted Jul 26, 2005·19 cites·30 claims
- 1985US4455409AMethod for making bisphenol catalystsGEN ELECTRIC·Filed 1982·Granted Jun 19, 1984·34 cites·7 claims
- 2084US6221939B1Flame retardant resin compositions containing phosphoramides, and method for makingGEN ELECTRIC·Filed 1999·Granted Apr 24, 2001·48 cites·53 claims
- 2183US7022410B2Combinations of resin compositions and methods of use thereofGEN ELECTRIC·Filed 2003·Granted Apr 4, 2006·42 cites·17 claims
- 2281US7655734B2Capped poly(arylene ether) composition and processSABIC INNOVATIVE PLASTICS IP·Filed 2006·Granted Feb 2, 2010·4 cites·3 claims
- 2380US6291700B1Method for preparing sterically hindered phosphoramidatesGEN ELECTRIC·Filed 2000·Granted Sep 18, 2001·11 cites·17 claims
- 2480US6204313B1Flame retardant polymer blends, and method for makingGEN ELECTRIC·Filed 1999·Granted Mar 20, 2001·36 cites·76 claims
- 2580US4525567AIonically cross-linked siloxane polymersGEN ELECTRIC·Filed 1984·Granted Jun 25, 1985·27 cites·3 claims
- 2678US7101923B2Flame-retardant thermoset composition, method, and articleGEN ELECTRIC·Filed 2003·Granted Sep 5, 2006·13 cites·47 claims
- 2772US5973041AResinous compositions containing aromatic bisphosphoramidates as flame retardantsGEN ELECTRIC·Filed 1998·Granted Oct 26, 1999·31 cites·13 claims
- 2872US4496705ASynthesis of zwitterionic siloxane polymersGEN ELECTRIC·Filed 1984·Granted Jan 29, 1985·21 cites·12 claims
- 2972US4374233ABlock copolymers of polyphenylene oxides and non-sterically-hindered high molecular weight aromatic polycarbonatesGEN ELECTRIC·Filed 1981·Granted Feb 15, 1983·28 cites·3 claims
- 3071US7297370B2Curable encapsulant composition, device including same, and associated methodGEN ELECTRIC·Filed 2005·Granted Nov 20, 2007·4 cites·2 claims
- 3170US4156790AIsomerization of dihydroxydiphenyl compoundsGEN ELECTRIC·Filed 1978·Granted May 29, 1979·7 cites·6 claims
- 3269US5153290APolymers of ethylenically unsaturated cyclic ortho estersGEN ELECTRIC·Filed 1991·Granted Oct 6, 1992·19 cites·21 claims
- 3368US4840982APolymer blends containing ionomeric elastomersGEN ELECTRIC·Filed 1987·Granted Jun 20, 1989·20 cites·20 claims
- 3466US6350804B2Compositions with enhanced ductilityGEN ELECTRIC·Filed 1999·Granted Feb 26, 2002·19 cites·31 claims
- 3566US4507436ACompositions of polyphenylene ether resin and poly(tetra-alkylated bisphenol) having reduced melt viscosityGEN ELECTRIC·Filed 1983·Granted Mar 26, 1985·18 cites·10 claims
- 3664US5132361ACopolymers prepared from polymers of ethylenically polymerizable cyclic ortho estersGEN ELECTRIC·Filed 1991·Granted Jul 21, 1992·16 cites·23 claims
- 3763US5691411AHigh performance polymer compositionsGEN ELECTRIC·Filed 1996·Granted Nov 25, 1997·19 cites·4 claims
- 3863US4471105AInterfacial polycondensation polycarbonate process with quaternary phosphonium amino halide catalystGEN ELECTRIC·Filed 1983·Granted Sep 11, 1984·14 cites·3 claims
- 3963US4384108ATwo-phase interfacial polycarbonate processGEN ELECTRIC·Filed 1981·Granted May 17, 1983·16 cites·14 claims
- 4060US8163847B2Capped poly(arylene ether) composition and processZARNOCH KENNETH PAUL·Filed 2009·Granted Apr 24, 2012·0 cites·2 claims
- 4159US5770652ADispersive reactive extrusion of polymer gelsGEN ELECTRIC·Filed 1995·Granted Jun 23, 1998·20 cites·15 claims
- 4259US5068286ACopolymers from nucleophilic olefin polymers and epoxytriazine-capped polyphenylene ethersGE PLASTICS JAPAN LTD·Filed 1989·Granted Nov 26, 1991·10 cites·23 claims
- 4356US4608430APolycarbonate exhibiting improved heat resistance from diphenol containing disubstituted phenylene radicalGEN ELECTRIC·Filed 1984·Granted Aug 26, 1986·10 cites·7 claims
- 4453US4105857AProcess for preparing phenyl trichloro-ethanesGEN ELECTRIC·Filed 1977·Granted Aug 8, 1978·3 cites·2 claims
- 4549US2008121845A1Oxetane composition, associated method and articleGEN ELECTRIC·Filed 2006·Application pending·0 cites
- 4648US2008039608A1Oxetane composition, associated method and articleGEN ELECTRIC·Filed 2006·Application pending·0 cites
- 4748US2009017195A1Curable encapsulant composition and associated methodVALLANCE MICHAEL ALAN·Filed 2007·Application pending·0 cites
- 4847US4533722AInterfacial polycondensation polycarbonate process with quaternary phosphonium amino halide catalystGEN ELECTRIC·Filed 1984·Granted Aug 6, 1985·7 cites·5 claims
- 4945US2006147719A1Curable composition, underfill, and methodRUBINSZTAJN SLAWOMIR·Filed 2006·Application pending·0 cites
- 5044US5039742APolyphenylene ether-polyester molding compositions useful under severe molding conditionsGEN ELECTRIC·Filed 1989·Granted Aug 13, 1991·7 cites·9 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when John R. Campbell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →