Stephan J. Allenson

Person

Richmond, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Reverse emulsion breaking method using amine containing polymers
- Patent number 5,032,285
- Issue date Jul 16, 1991
- Nalco Chemical Company
- Michael L. Braden
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
Method for separating liquid from water using amine containing poly...
- Patent number 5,021,167
- Issue date Jun 4, 1991
- Nalco Chemical Company
- Michael L. Braden
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for temporarily reducing permeability of subterranean format...
- Patent number 5,009,267
- Issue date Apr 23, 1991
- Nalco Chemical Company
- Charles D. Williamson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Additive and method for temporarily reducing permeability of subter...
- Patent number 4,997,581
- Issue date Mar 5, 1991
- Nalco Chemical Company
- Charles D. Williamson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water clarification process
- Patent number 4,917,803
- Issue date Apr 17, 1990
- Nalco Chemical Company
- Stephan J. Allenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water clarification process and composition and method
- Patent number 4,873,280
- Issue date Oct 10, 1989
- Nalco Chemical Company
- Stephan J. Allenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for dewatering a slurry using a twin belt press with cationi...
- Patent number 4,792,406
- Issue date Dec 20, 1988
- Nalco Chemical Company
- Stephan J. Allenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Bimodal cationics for water clarification
- Patent number 4,699,951
- Issue date Oct 13, 1987
- Nalco Chemical Company
- Stephan J. Allenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Bimodal cationics for water clarification
- Patent number 4,588,508
- Issue date May 13, 1986
- Nalco Cehmical Company
- Stephan J. Allenson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Stephan J. Allenson

Person

Patents Grantslast 30 patents

Reverse emulsion breaking method using amine containing polymers

Enzymatically degradable fluid loss additive

Method for separating liquid from water using amine containing poly...

Method for temporarily reducing permeability of subterranean format...

Additive and method for temporarily reducing permeability of subter...

Water clarification process

Water clarification process and composition and method

Method for dewatering a slurry using a twin belt press with cationi...

Bimodal cationics for water clarification

Bimodal cationics for water clarification