Inventor
SEMEN JOHN
US17 patents
⚠️ This page may combine multiple inventors who share the name “SEMEN JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALBEMARLE CORP
7 patentsUS6800228B1Oct 5, 2004
Sterically hindered phenol antioxidant granules having balanced hardness
ALBEMARLE CORP69 citations96
US7425290B2Sep 16, 2008
Granular polymer additives and their preparation
ALBEMARLE CORP18 citations92
US6596198B1Jul 22, 2003
Additive system for polymers in pellet form which provides proportioned stabilization and internal mold release characteristics
ALBEMARLE CORP51 citations92
US6515052B2Feb 4, 2003
Granular polymer additives and their preparation
ALBEMARLE CORP24 citations92
US6821456B2Nov 23, 2004
Granular polymer additives and their preparation
ALBEMARLE CORP8 citations73
US6126863AOct 3, 2000
Low dust balanced hardness antioxidant agglomerates and process for the production of same
ALBEMARLE CORP11 citations73
US6056898AMay 2, 2000
Low dust balanced hardness antioxidant pellets and process for the production of same
ALBEMARLE CORP13 citations73
ETHYL CORP
7 patentsUS5006492AApr 9, 1991
Preceramic compositions and ceramic products
ETHYL CORP23 citations92
US4942145AJul 17, 1990
Preceramic compositions and ceramic products
ETHYL CORP28 citations92
US4891340AJan 2, 1990
Preceramic compositions and ceramic products
ETHYL CORP15 citations82
US4483949ANov 20, 1984
Polyethylene terephthalate blends
ETHYL CORP19 citations82
US4835207AMay 30, 1989
Preceramic compositions and ceramic products
ETHYL CORP14 citations74
US4895889AJan 23, 1990
Preceramic compositions
ETHYL CORP3 citations63
US4845058AJul 4, 1989
Process for improving strength of SiC ceramics
ETHYL CORP4 citations63