Inventor · disambiguated record
John Semen
Also filed as: SEMEN JOHN
17 granted patents·2 pending applications·344 citations·filing 1982–2008
95Inventor score
Top patents by PatentIndex Score
19 records- 0196US6800228B1Sterically hindered phenol antioxidant granules having balanced hardnessALBEMARLE CORP·Filed 2000·Granted Oct 5, 2004·69 cites·20 claims
- 0293US6596198B1Additive system for polymers in pellet form which provides proportioned stabilization and internal mold release characteristicsALBEMARLE CORP·Filed 2000·Granted Jul 22, 2003·51 cites·63 claims
- 0387US7425290B2Granular polymer additives and their preparationALBEMARLE CORP·Filed 2004·Granted Sep 16, 2008·18 cites·20 claims
- 0482US6515052B2Granular polymer additives and their preparationALBEMARLE CORP·Filed 2001·Granted Feb 4, 2003·24 cites·47 claims
- 0581US4401792AProcess for increasing the rate of crystallization of polyestersGEN ELECTRIC·Filed 1982·Granted Aug 30, 1983·31 cites·12 claims
- 0678US4942145APreceramic compositions and ceramic productsETHYL CORP·Filed 1989·Granted Jul 17, 1990·28 cites·7 claims
- 0773US5006492APreceramic compositions and ceramic productsETHYL CORP·Filed 1989·Granted Apr 9, 1991·23 cites·6 claims
- 0872US6821456B2Granular polymer additives and their preparationALBEMARLE CORP·Filed 2001·Granted Nov 23, 2004·8 cites·31 claims
- 0972US4891340APreceramic compositions and ceramic productsETHYL CORP·Filed 1988·Granted Jan 2, 1990·15 cites·9 claims
- 1069US4483949APolyethylene terephthalate blendsETHYL CORP·Filed 1983·Granted Nov 20, 1984·19 cites·24 claims
- 1165US4835207APreceramic compositions and ceramic productsETHYL CORP·Filed 1987·Granted May 30, 1989·14 cites·12 claims
- 1264US2009054698A1Granular Polymer Additives and Their PreparationALBEMARLE CORP·Filed 2008·Application pending·0 cites
- 1360US6056898ALow dust balanced hardness antioxidant pellets and process for the production of sameALBEMARLE CORP·Filed 1998·Granted May 2, 2000·13 cites·28 claims
- 1453US6126863ALow dust balanced hardness antioxidant agglomerates and process for the production of sameALBEMARLE CORP·Filed 1998·Granted Oct 3, 2000·11 cites·17 claims
- 1550US6126862ALow dust balanced hardness antioxidant agglomerates and process for the production of sameABLEMARLE CORP·Filed 1998·Granted Oct 3, 2000·12 cites·26 claims
- 1649US2005006627A1Sterically hindered phenol antioxidant granules having balanced hardnessFiled 2004·Application pending·0 cites
- 1735US4845058AProcess for improving strength of SiC ceramicsETHYL CORP·Filed 1988·Granted Jul 4, 1989·4 cites·7 claims
- 1833US4895889APreceramic compositionsETHYL CORP·Filed 1988·Granted Jan 23, 1990·3 cites·9 claims
- 1930US4530878AEnhancement of ethylene-vinyl acetate adhesion to polyester sheet by post-reactionGEN ELECTRIC·Filed 1982·Granted Jul 23, 1985·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →