David A. Huddleston

Person

Sugar Land, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sulfonated and carboxylated aminoethylenephosphonic acid and aminob...
- Patent number 5,534,611
- Issue date Jul 9, 1996
- Nalco Chemical Company
- David A. Huddleston
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Set retarding additive for cement slurries
- Patent number 5,417,759
- Issue date May 23, 1995
- Nalco Chemical Company
- David A. Huddleston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Liquid aluminum phosphate salt gelling agent
- Patent number 5,202,035
- Issue date Apr 13, 1993
- Nalco Chemical Company
- David A. Huddleston
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for reducing fluid loss from oilfield cement slurries using...
- Patent number 5,147,964
- Issue date Sep 15, 1992
- Nalco Chemical Company
- David A. Huddleston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for reducing fluid loss from oilfield cement slurries using...
- Patent number 5,134,215
- Issue date Jul 28, 1992
- Nalco Chemical Company
- David A. Huddleston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Liquid aluminum phosphate salt gelling agent
- Patent number 5,110,485
- Issue date May 5, 1992
- Nalco Chemical Company
- David A. Huddleston
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Hydrocarbon geller and method for making the same
- Patent number 5,057,233
- Issue date Oct 15, 1991
- Nalco Chemical Company
- David A. Huddleston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Enzymatically degradable fluid loss additive
- Patent number 5,032,297
- Issue date Jul 16, 1991
- Nalco Chemical Company
- Charles D. Williamson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Vinyl grafted lignite fluid loss additives
- Patent number 5,028,271
- Issue date Jul 2, 1991
- Nalco Chemical Company
- David A. Huddleston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Vinyl grafted lignite fluid loss additives
- Patent number 4,938,803
- Issue date Jul 3, 1990
- Nalco Chemical Company
- David A. Huddleston
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hydrocarbon geller and method for making the same
- Patent number 4,877,894
- Issue date Oct 31, 1989
- Nalco Chemical Company
- David A. Huddleston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbon gellant
- Patent number 4,781,845
- Issue date Nov 1, 1988
- Nalco Chemical Company
- Allen R. Syrinek
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

David A. Huddleston

Person

Patents Grantslast 30 patents

Sulfonated and carboxylated aminoethylenephosphonic acid and aminob...

Set retarding additive for cement slurries

Liquid aluminum phosphate salt gelling agent

Method for reducing fluid loss from oilfield cement slurries using...

Method for reducing fluid loss from oilfield cement slurries using...

Liquid aluminum phosphate salt gelling agent

Hydrocarbon geller and method for making the same

Enzymatically degradable fluid loss additive

Vinyl grafted lignite fluid loss additives

Vinyl grafted lignite fluid loss additives

Hydrocarbon geller and method for making the same

Hydrocarbon gellant