Inventor
HARPER STEPHEN D
US9 patents
⚠️ This page may combine multiple inventors who share the name “HARPER STEPHEN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARCO CHEM TECH
8 patentsUS5032671AJul 16, 1991
Preparation of lactone polymers using double metal cyanide catalysts
ARCO CHEM TECH81 citations95
US4877906AOct 31, 1989
Purification of polyols prepared using double metal cyanide complex catalysts
ARCO CHEM TECH120 citations95
US4843054AJun 27, 1989
Preparation of filterable double metal cyanide complex catalyst for propylene oxide polymerization
ARCO CHEM TECH69 citations95
US5736174AApr 7, 1998
Alkoxylated alcohol fat substitutes
ARCO CHEM TECH48 citations92
US5376398ADec 27, 1994
Reduced calorie food compositions containing fatty acid-esterified polytetramethylene ether glycol fat substitutes
ARCO CHEM TECH22 citations92
US5304665AApr 19, 1994
Process for the preparation of highly esterified alkoxylated polyol compositions
ARCO CHEM TECH47 citations92
US5003111AMar 26, 1991
Isobutylene oxide polyols
ARCO CHEM TECH11 citations73
US5055496AOct 8, 1991
Polymer product containing isobutylene oxide polyols
ARCO CHEM TECH4 citations62