William M. Hann

Person

Roslyn, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Corrosion inhibiting compositions
- Patent number 6,646,082
- Issue date Nov 11, 2003
- Rohm & Haas Company
- Tirthankar Ghosh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for metal sulfate scale control in harsh oilfield conditions
- Patent number 5,755,972
- Issue date May 26, 1998
- Rohm & Haas Company
- William Mathis Hann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of inhibiting sulfate scale in aqueous systems using poly(am...
- Patent number 5,658,464
- Issue date Aug 19, 1997
- Rohm & Haas Company
- William Mathis Hann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of inhibiting corrosion in aqueous systems using poly(amino...
- Patent number 5,531,934
- Issue date Jul 2, 1996
- Rohm & Haas Company
- Michael B. Freeman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for prevention of scale formation in aqueous systems
- Patent number 5,516,432
- Issue date May 14, 1996
- Rohm & Haas Company
- Kathleen J. King
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for solubilizing silica
- Patent number 5,342,787
- Issue date Aug 30, 1994
- Rohm & Haas Company
- Judy H. Bardsley
- G01 - MEASURING TESTING
Information Patent Grant
Silica scale inhibition
- Patent number 5,277,823
- Issue date Jan 11, 1994
- Rohm & Haas Company
- William M. Hann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of stabilizing aqueous systems
- Patent number 4,711,725
- Issue date Dec 8, 1987
- Rohm & Haas Co.
- David R. Amick
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of inhibiting scaling in aqueous systems with low molecular...
- Patent number 4,530,766
- Issue date Jul 23, 1985
- Rohm & Haas Company
- William M. Hann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of dispersing inorganic materials in aqueous systems with lo...
- Patent number 4,517,098
- Issue date May 14, 1985
- Rohm & Haas Company
- William M. Hann
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Drilling fluid and method
- Patent number 4,299,710
- Issue date Nov 10, 1981
- Rohm & Haas Company
- Jean Dupre
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Inhibiting metallic corrosion in aqueous systems
- Publication number 20030063999
- Publication date Apr 3, 2003
- Tirthankar Ghosh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Corrosion inhibiting compositions
- Publication number 20030065116
- Publication date Apr 3, 2003
- Tirthankar Ghosh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Process for inhibiting metallic corrosion in aqueous systems
- Publication number 20030063998
- Publication date Apr 3, 2003
- Tirthankar Ghosh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Process for treating aqueous systems
- Publication number 20030035749
- Publication date Feb 20, 2003
- William M. Hann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

William M. Hann

Person

Patents Grantslast 30 patents

Corrosion inhibiting compositions

Method for metal sulfate scale control in harsh oilfield conditions

Method of inhibiting sulfate scale in aqueous systems using poly(am...

Method of inhibiting corrosion in aqueous systems using poly(amino...

Method for prevention of scale formation in aqueous systems

Method for solubilizing silica

Silica scale inhibition

Method of stabilizing aqueous systems

Method of inhibiting scaling in aqueous systems with low molecular...

Method of dispersing inorganic materials in aqueous systems with lo...

Drilling fluid and method

Patents Applicationslast 30 patents

Inhibiting metallic corrosion in aqueous systems

Corrosion inhibiting compositions

Process for inhibiting metallic corrosion in aqueous systems

Process for treating aqueous systems