Inventor
KATSUMOTO KIYOSHI
US19 patents
⚠️ This page may combine multiple inventors who share the name “KATSUMOTO KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON RES
9 patentsUS4132670AJan 2, 1979
Method of preparing vanadium (IV) phosphate composition with high intrinsic surface area
CHEVRON RES70 citations95
US4900458AFeb 13, 1990
Polyalkylenepolyamines as corrosion inhibitors
CHEVRON RES24 citations92
US4187235AFeb 5, 1980
Method for preparing maleic anhydride
CHEVRON RES37 citations92
US4130521ADec 19, 1978
Densification of polypyrrolidone
CHEVRON RES8 citations71
US4001274AJan 4, 1977
Recovery of 2-pyrrolidone from aqueous solutions
CHEVRON RES2 citations63
US3970708AJul 20, 1976
Process for removing aluminum phenoxide catalyst from phenol alkylation products
CHEVRON RES6 citations63
US4187370AFeb 5, 1980
Polymerization and recovery of 2-pyrrolidone with acid treatment
CHEVRON RES6 citations57
US4013626AMar 22, 1977
Process for preparing polypyrrolidone wherein polypyrrolidone is washed with 2-pyrrolidone
CHEVRON RES3 citations54
US4139696AFeb 13, 1979
Continuous polymerization of 2-pyrrolidone
CHEVRON RES0 citations36
CHEVRON CHEM CO
8 patentsUS5859145AJan 12, 1999
Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compositions containing same, and process for making these compositions by esterification or transesterification of a polymer melt
CHEVRON CHEM CO97 citations99
US5736616AApr 7, 1998
Compositions having ethylenic backbone and benzylic allylic or ether-containing side-chains oxygen scavenging compositions containing same and process for making these compositions by esterification or transesterification of a polymer melt
CHEVRON CHEM CO107 citations99
US5660761AAug 26, 1997
Multi-component oxygen scavenger system useful in film packaging
CHEVRON CHEM CO142 citations99
US5776361AJul 7, 1998
Multi-component oxygen scavenging composition
CHEVRON CHEM CO102 citations98
US5641825AJun 24, 1997
Oxygen scavenging homogeneous modified polyolefin-oxidizable polymer-metal salt blends
CHEVRON CHEM CO102 citations98
US6057013AMay 2, 2000
Oxygen scavenging system including a by-product neutralizing material
CHEVRON CHEM CO97 citations97
US5627239AMay 6, 1997
Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compositions containing same, and process for making these compositions by esterification or transesterification of a polymer melt
CHEVRON CHEM CO84 citations97
US6139770AOct 31, 2000
Photoinitiators and oxygen scavenging compositions
CHEVRON CHEM CO38 citations92