William R. Dunnavant

Person

Columbus, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Benzylic ether phenolic resole resins and their uses
- Patent number 5,908,914
- Issue date Jun 1, 1999
- Ashland Inc.
- Thomas Edward Dando
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for preparing benzylic ether phenolic resole resins
- Patent number 5,756,640
- Issue date May 26, 1998
- Ashland Inc.
- Thomas Edward Dando
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Benzylic ether phenolic resole resins
- Patent number 5,739,255
- Issue date Apr 14, 1998
- Ashland Inc.
- Thomas Edward Dando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane-forming no-bake foundry binder systems
- Patent number 5,516,859
- Issue date May 14, 1996
- Ashland Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Foundry mixes containing a polyether polyol and their use
- Patent number 5,455,287
- Issue date Oct 3, 1995
- Ashland Inc.
- William G. Carpenter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polyurethane-forming binder systems containing 2,2'-dipyridyl, 1,10...
- Patent number 5,447,968
- Issue date Sep 5, 1995
- Ashland Inc.
- Kenneth W. Barnett
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ester cured no-bake foundry binder system
- Patent number 5,424,376
- Issue date Jun 13, 1995
- Ashland Inc.
- Ken K. Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Foundry mixes based upon reclaimed sand
- Patent number 5,376,696
- Issue date Dec 27, 1994
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polyurethane-forming binder systems containing a polyphosphoryl chl...
- Patent number 5,338,774
- Issue date Aug 16, 1994
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polyurethane-forming foundry binders containing a polyether polyol
- Patent number 5,132,339
- Issue date Jul 21, 1992
- Ashland Oil, Inc.
- William G. Carpenter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
No-bake process for preparing foundry shapes for casting low meltin...
- Patent number 4,982,781
- Issue date Jan 8, 1991
- Ashland Oil, Inc.
- William G. Carpenter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polyurethane-forming foundry binders containing a polyester polyol
- Patent number 4,946,876
- Issue date Aug 7, 1990
- Ashland Oil, Inc.
- William G. Carpenter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hot box process for preparing foundry shapes with certain aqueous p...
- Patent number 4,884,620
- Issue date Dec 5, 1989
- Ashland Oil, Inc.
- Satish S. Jhaveri
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Foundry binder systems based upon acrylated epoxy resins and epoxy...
- Patent number 4,876,294
- Issue date Oct 24, 1989
- Ashland Oil, Inc.
- H. Randall Shriver
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Heat curable foundry mixes and binder compositions
- Patent number 4,789,693
- Issue date Dec 6, 1988
- Ashland Oil, Inc.
- Satish S. Jhaveri
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Modifiers for aqueous basic solutions of phenolic resole resins
- Patent number 4,780,489
- Issue date Oct 25, 1988
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Hot box process for preparing foundry shapes
- Patent number 4,766,949
- Issue date Aug 30, 1988
- Ashland Oil, Inc.
- Satish S. Jhaveri
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thermosetting molding compounds
- Patent number 4,758,400
- Issue date Jul 19, 1988
- Ashland Oil, Inc.
- William R. Dunnavant
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenolic resin-polyisocyanate binder systems containing an organoha...
- Patent number 4,683,252
- Issue date Jul 28, 1987
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Phenolic resin-polyisocyanate binder systems containing a phosphoru...
- Patent number 4,602,069
- Issue date Jul 22, 1986
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Phenolic resin-polyisocyanate binder systems containing a phosphoru...
- Patent number 4,540,724
- Issue date Sep 10, 1985
- Ashland Oil Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Composition, method for preparing and use thereof
- Patent number 4,529,771
- Issue date Jul 16, 1985
- Ashland Oil, Inc.
- Bruce A. Gruber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of forming foundry cores and molds utilizing binder curable...
- Patent number 4,526,219
- Issue date Jul 2, 1985
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Polymeric cyclopentadiene derivatives, method for preparing and use...
- Patent number 4,483,961
- Issue date Nov 20, 1984
- Ashland Oil, Inc.
- Diether Koch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentadiene derivatives, method for preparing, and use thereof
- Patent number 4,482,653
- Issue date Nov 13, 1984
- Ashland Oil, Inc.
- Bruce A. Gruber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for casting metals
- Patent number 4,452,299
- Issue date Jun 5, 1984
- Ashland Oil, Inc.
- Bruce A. Gruber
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cyclopentadiene derivatives, method for preparing, and use thereof
- Patent number 4,412,088
- Issue date Oct 25, 1983
- Ashland Oil, Inc.
- Bruce A. Gruber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fulvene binder compositions
- Patent number 4,394,466
- Issue date Jul 19, 1983
- Ashland Oil, Inc.
- Bruce A. Gruber
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thermosetting resinous molding compositions
- Patent number 4,374,229
- Issue date Feb 15, 1983
- Ashland Oil, Inc.
- William R. Dunnavant
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cost reduction of acid curing foundry binders with alkylated aromat...
- Patent number 4,336,342
- Issue date Jun 22, 1982
- Ashland Oil, Inc.
- William R. Dunnavant
- B22 - CASTING POWDER METALLURGY

William R. Dunnavant

Person

Patents Grantslast 30 patents

Benzylic ether phenolic resole resins and their uses

Process for preparing benzylic ether phenolic resole resins

Benzylic ether phenolic resole resins

Polyurethane-forming no-bake foundry binder systems

Foundry mixes containing a polyether polyol and their use

Polyurethane-forming binder systems containing 2,2'-dipyridyl, 1,10...

Ester cured no-bake foundry binder system

Foundry mixes based upon reclaimed sand

Polyurethane-forming binder systems containing a polyphosphoryl chl...

Polyurethane-forming foundry binders containing a polyether polyol

No-bake process for preparing foundry shapes for casting low meltin...

Polyurethane-forming foundry binders containing a polyester polyol

Hot box process for preparing foundry shapes with certain aqueous p...

Foundry binder systems based upon acrylated epoxy resins and epoxy...

Heat curable foundry mixes and binder compositions

Modifiers for aqueous basic solutions of phenolic resole resins

Hot box process for preparing foundry shapes

Thermosetting molding compounds

Phenolic resin-polyisocyanate binder systems containing an organoha...

Phenolic resin-polyisocyanate binder systems containing a phosphoru...

Phenolic resin-polyisocyanate binder systems containing a phosphoru...

Composition, method for preparing and use thereof

Process of forming foundry cores and molds utilizing binder curable...

Polymeric cyclopentadiene derivatives, method for preparing and use...

Cyclopentadiene derivatives, method for preparing, and use thereof

Process for casting metals

Cyclopentadiene derivatives, method for preparing, and use thereof

Fulvene binder compositions

Thermosetting resinous molding compositions

Cost reduction of acid curing foundry binders with alkylated aromat...