Harold D. Yelton

Person

Bartlesville, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing high molecular weight poly(arylene sulfide) p...
- Patent number 5,929,203
- Issue date Jul 27, 1999
- Phillips Petroleum Company
- Carlton E. Ash
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(arylene sulfide) fibrid particles and process for their prepar...
- Patent number 5,393,865
- Issue date Feb 28, 1995
- Phillips Petroleum Company
- Carlton E. Ash
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for the preparation of poly(arylene sulfide) with low metal...
- Patent number 5,280,104
- Issue date Jan 18, 1994
- Phillips Petroleum Company
- Jon F. Geibel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of poly(arylene sulfide) with low metal...
- Patent number 5,235,032
- Issue date Aug 10, 1993
- Phillips Petroleum Company
- Jon F. Geibel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Melt stable phenylene sulfide/sulfone polymers and method
- Patent number 5,075,420
- Issue date Dec 24, 1991
- Phillips Petroleum Company
- Rex L. Bobsein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the production of light colored aromatic sulfide/sulfone...
- Patent number 5,066,774
- Issue date Nov 19, 1991
- Phillips Petroleum Company
- Jon F. Geibel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Melt stable phenylene sulfide/sulfone polymers and method
- Patent number 5,039,788
- Issue date Aug 13, 1991
- Phillips Petroleum Company
- Rex L. Bobsein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing biphenylene sulfide polymer
- Patent number 5,037,951
- Issue date Aug 6, 1991
- Phillips Petroleum Company
- Michael C. Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Melt stabilization of poly(arylene sulfide sulfone)s
- Patent number 4,774,276
- Issue date Sep 27, 1988
- Phillips Petroleum Company
- Rex L. Bobsein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
P-Phenylene sulfide polymers
- Patent number 4,024,118
- Issue date May 17, 1977
- Phillips Petroleum Company
- Robert W. Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Harold D. Yelton

Person

Patents Grantslast 30 patents

Process for preparing high molecular weight poly(arylene sulfide) p...

Poly(arylene sulfide) fibrid particles and process for their prepar...

Process for the preparation of poly(arylene sulfide) with low metal...

Process for the preparation of poly(arylene sulfide) with low metal...

Melt stable phenylene sulfide/sulfone polymers and method

Method for the production of light colored aromatic sulfide/sulfone...

Melt stable phenylene sulfide/sulfone polymers and method

Process for producing biphenylene sulfide polymer

Melt stabilization of poly(arylene sulfide sulfone)s

P-Phenylene sulfide polymers