Inventor
SUMNER JR CHARLES E
US23 patents
⚠️ This page may combine multiple inventors who share the name “SUMNER JR CHARLES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
13 patentsUS5258556ANov 2, 1993
Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
EASTMAN KODAK CO109 citations94
US5169994ADec 8, 1992
Process for the manufacture of 2,2,4,4-tetramethycyclobutanediol
EASTMAN KODAK CO112 citations94
US4902827AFeb 20, 1990
Process for the preparation of adipic acid
EASTMAN KODAK CO18 citations78
US5041616AAug 20, 1991
Preparation of aryl ketones
EASTMAN KODAK CO8 citations74
US4804777AFeb 14, 1989
Process for the preparation of aryloxyacetic acid
EASTMAN KODAK CO7 citations72
US5231218AJul 27, 1993
Isomerization of dimethylcyclohexanedicarboxylate
EASTMAN KODAK CO13 citations71
US5068460ANov 26, 1991
Process for preparation of resorcinol
EASTMAN KODAK CO10 citations68
US4791224ADec 13, 1988
Process for preparation of an oxyacetic acid/hydroxyethyl ether compound
EASTMAN KODAK CO2 citations61
US5157102AOct 20, 1992
Diols and polyesters made therefrom
EASTMAN KODAK CO3 citations54
US4786748ANov 22, 1988
Processes for preparing aklylene and dialkyl ketals and alkyl alpha-enol ethers of alpha-acetyl cinnamic acids or esters thereof
EASTMAN KODAK CO1 citations52
US4761496AAug 2, 1988
Alkylene and diakyl ketals and alkyl alpha-enol ethers of alpha-acetyl cinnamic acids and esters thereof
EASTMAN KODAK CO1 citations52
US4761497AAug 2, 1988
Process for preparing 2-naphthanoic acids and esters thereof
EASTMAN KODAK CO1 citations52
US4956443ASep 11, 1990
Polyester from hydroxyethoxyphenoxy acetic acid with improve gas barrier properties
EASTMAN KODAK CO0 citations50
EASTMAN CHEM CO
8 patentsUS6265608B1Jul 24, 2001
Method of purifying aromatic dicarboxylic acids
EASTMAN CHEM CO46 citations92
US5512691AApr 30, 1996
Process for the production of tocopherol concentrates
EASTMAN CHEM CO82 citations91
US5424457AJun 13, 1995
Process for the production of sterol and tocopherol concentrates
EASTMAN CHEM CO51 citations91
US6224717B1May 1, 2001
Methods for separating a tocotrienol from a tocol-containing mixture and compositions thereof
EASTMAN CHEM CO19 citations89
US6159347ADec 12, 2000
Methods for separating a tocol from a tocol-containing mixture
EASTMAN CHEM CO35 citations89
US5352761AOct 4, 1994
Naphthalene dicarboxylic acids and esters substituted with aroyl groups
EASTMAN CHEM CO8 citations73
US5359134AOct 25, 1994
Process for preparing phenylterephthalic acid
EASTMAN CHEM CO8 citations71
US5334754AAug 2, 1994
Process for preparing 2,5-diphenylterephthalic acid by oxidation
EASTMAN CHEM CO12 citations70