Howard F. Efner

Person

Bartlesville, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cement composition and process therewith
- Patent number 6,124,383
- Issue date Sep 26, 2000
- Phillips Petroleum Company
- Michael L. Stephens
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polymerization process
- Patent number 5,932,671
- Issue date Aug 3, 1999
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glass-reinforced silane, carboxylic acid or anhydride-grafted branc...
- Patent number 5,661,200
- Issue date Aug 26, 1997
- Phillips Petroleum Company
- Edwin Boudreaux
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glass-reinforced branched higher alpha-olefin polymers
- Patent number 5,583,180
- Issue date Dec 10, 1996
- Phillips Petroleum Company
- Edwin Boudreaux
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthesis of organic polysulfide polymers
- Patent number 5,565,517
- Issue date Oct 15, 1996
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic polysulfide compositions having reduced odor
- Patent number 5,559,271
- Issue date Sep 24, 1996
- Phillips Petroleum Company
- James E. Shaw
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidation of dimercaptans to organic disulfide polymers
- Patent number 5,545,714
- Issue date Aug 13, 1996
- Phillips Petroleum Company
- James E. Shaw
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of butadiene-styrene copolymers in crude oils
- Patent number 5,536,706
- Issue date Jul 16, 1996
- Phillips Petroleum Company
- Lyle R. Kallenbach
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Glass-reinforced branched higher alpha-olefin polymers
- Patent number 5,514,736
- Issue date May 7, 1996
- Phillips Petroleum Company
- Edwin Boudreaux
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oxidation of dimercaptans to organic disulfide polymers
- Patent number 5,464,931
- Issue date Nov 7, 1995
- Phillips Petroleum Company
- James E. Shaw
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glass-reinforced grafted branched higher alpha-olefin polymers
- Patent number 5,430,079
- Issue date Jul 4, 1995
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lubricating additive comprising a molybdenum (VI) hydroxymercaptide
- Patent number 5,403,502
- Issue date Apr 4, 1995
- Phillips Petroleum Company
- Howard F. Efner
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for producing sulfolane compounds
- Patent number 5,347,018
- Issue date Sep 13, 1994
- Phillips Petroleum Company
- Earl Clark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glass-reinforced grafted branched higher alpha-olefin polymers
- Patent number 5,308,893
- Issue date May 3, 1994
- Phillips Petroleum Company
- Mary J. Hagenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(arylene sulfide) polymer containing sulfone, ether and bipheny...
- Patent number 5,245,000
- Issue date Sep 14, 1993
- Phillips Petroleum Company
- Rex L. Bobsein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous antimony pentoxide production
- Patent number 5,213,785
- Issue date May 25, 1993
- Phillips Petroleum Company
- Denton C. Fentress
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Polyethylene terephthalate compositions with arylene sulfide random...
- Patent number 5,194,506
- Issue date Mar 16, 1993
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Branched aromatic sulfide sulfone polymer production
- Patent number 5,179,193
- Issue date Jan 12, 1993
- Phillips Petroleum Company
- Rex L. Bobsein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylene terephthalate molding compositions
- Patent number 5,091,457
- Issue date Feb 25, 1992
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reinforced plastic comprising an arylene sulfide sulfone copolymer...
- Patent number 5,079,079
- Issue date Jan 7, 1992
- Phillips Petroleum Company
- Mark L. Stone
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Secondary amides in polyethylene terephthalate molding compositions
- Patent number 5,068,274
- Issue date Nov 26, 1991
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reinforced plastic comprising fibrous reinforcement treated with po...
- Patent number 5,045,367
- Issue date Sep 3, 1991
- Phillips Petroleum Company
- Rex L. Bobsein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rapidly crystallizing polyethylene terephthalate blends
- Patent number 5,030,680
- Issue date Jul 9, 1991
- Phillips Petroleum Company
- Charles R. Wilder
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylene terephthalate molding compounds with sodium stearate a...
- Patent number 5,028,649
- Issue date Jul 2, 1991
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Antimony mercaptide esters and methods of preparing the same
- Patent number 5,011,957
- Issue date Apr 30, 1991
- Phillips Petroleum Company
- Howard F. Efner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of secondary and tertiary amines
- Patent number 4,954,654
- Issue date Sep 4, 1990
- Phillips Petroleum Company
- Howard F. Efner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antimony mercaptide esters and methods of preparing the same
- Patent number 4,923,643
- Issue date May 8, 1990
- Phillips Petroleum Company
- Howard F. Efner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reaction products of amido-amine and epoxide useful as fuel additives
- Patent number 4,737,160
- Issue date Apr 12, 1988
- Phillips Petroleum Company
- Howard F. Efner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble lubricating additives
- Patent number 4,729,839
- Issue date Mar 8, 1988
- Phillips Petroleum Company
- Alexander Schuettenberg
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of promoted catalysts
- Patent number 4,636,487
- Issue date Jan 13, 1987
- Phillips Petroleum Company
- Stephen L. Parrott
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Howard F. Efner

Person

Patents Grantslast 30 patents

Cement composition and process therewith

Polymerization process

Glass-reinforced silane, carboxylic acid or anhydride-grafted branc...

Glass-reinforced branched higher alpha-olefin polymers

Synthesis of organic polysulfide polymers

Organic polysulfide compositions having reduced odor

Oxidation of dimercaptans to organic disulfide polymers

Use of butadiene-styrene copolymers in crude oils

Glass-reinforced branched higher alpha-olefin polymers

Oxidation of dimercaptans to organic disulfide polymers

Glass-reinforced grafted branched higher alpha-olefin polymers

Lubricating additive comprising a molybdenum (VI) hydroxymercaptide

Process for producing sulfolane compounds

Glass-reinforced grafted branched higher alpha-olefin polymers

Poly(arylene sulfide) polymer containing sulfone, ether and bipheny...

Continuous antimony pentoxide production

Polyethylene terephthalate compositions with arylene sulfide random...

Branched aromatic sulfide sulfone polymer production

Polyethylene terephthalate molding compositions

Reinforced plastic comprising an arylene sulfide sulfone copolymer...

Secondary amides in polyethylene terephthalate molding compositions

Reinforced plastic comprising fibrous reinforcement treated with po...

Rapidly crystallizing polyethylene terephthalate blends

Polyethylene terephthalate molding compounds with sodium stearate a...

Antimony mercaptide esters and methods of preparing the same

Process for the preparation of secondary and tertiary amines

Antimony mercaptide esters and methods of preparing the same

Reaction products of amido-amine and epoxide useful as fuel additives

Water soluble lubricating additives

Process for the preparation of promoted catalysts