Stephen D. Harper

Person

Paoli, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Alkoxylated alcohol fat substitutes
- Patent number 5,736,174
- Issue date Apr 7, 1998
- ARCO Chemical Technology, L.P.
- Charles F. Cooper
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Reduced calorie food compositions containing fatty acid-esterified...
- Patent number 5,376,398
- Issue date Dec 27, 1994
- Arco Chemical Technology, L.P.
- Charles F. Cooper
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the preparation of highly esterified alkoxylated polyol...
- Patent number 5,304,665
- Issue date Apr 19, 1994
- Arco Chemical Technology, L.P.
- Charles F. Cooper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer product containing isobutylene oxide polyols
- Patent number 5,055,496
- Issue date Oct 8, 1991
- ARCO Chemical Technology, Inc.
- Stephen D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of lactone polymers using double metal cyanide catalysts
- Patent number 5,032,671
- Issue date Jul 16, 1991
- ARCO Chemical Technology, Inc.
- Stephen D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isobutylene oxide polyols
- Patent number 5,003,111
- Issue date Mar 26, 1991
- ARCO Chemical Technology, Inc.
- Stephen D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification of polyols prepared using double metal cyanide complex...
- Patent number 4,877,906
- Issue date Oct 31, 1989
- ARCO Chemical Technology, Inc.
- Stephen D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of filterable double metal cyanide complex catalyst for...
- Patent number 4,843,054
- Issue date Jun 27, 1989
- ARCO Chemical Technology, Inc.
- Stephen D. Harper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification of polyols prepared using double metal cyanide complex...
- Patent number 4,721,818
- Issue date Jan 26, 1988
- Atlantic Richfield Company
- Stephen D. Harper
- C07 - ORGANIC CHEMISTRY

Stephen D. Harper

Person

Patents Grantslast 30 patents

Alkoxylated alcohol fat substitutes

Reduced calorie food compositions containing fatty acid-esterified...

Process for the preparation of highly esterified alkoxylated polyol...

Polymer product containing isobutylene oxide polyols

Preparation of lactone polymers using double metal cyanide catalysts

Isobutylene oxide polyols

Purification of polyols prepared using double metal cyanide complex...

Preparation of filterable double metal cyanide complex catalyst for...

Purification of polyols prepared using double metal cyanide complex...