Nancy S. Sherwood

Person

Coraopolis, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Zinc, iron and manganese stabilization using polyether polyamino me...
- Patent number 5,262,061
- Issue date Nov 16, 1993
- Calgon Corporation
- Jasbir S. Gill
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for controlling calcium carbonate scaling in high pH aqueous...
- Patent number 5,124,046
- Issue date Jun 23, 1992
- Calgon Corporation
- Nancy S. Sherwood
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of inhibiting the corrosion of copper and copper alloys
- Patent number 4,867,945
- Issue date Sep 19, 1989
- Calgon Corporation
- Nancy S. Sherwood
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of inhibiting the corrosion of copper and copper alloys
- Patent number 4,717,543
- Issue date Jan 5, 1988
- Calgon Corporation
- Nancy S. Sherwood
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Use of polyampholytes to enhance oil and/or gas recovery
- Patent number 4,484,631
- Issue date Nov 27, 1984
- Calgon Corporation
- Nancy S. Sherwood
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for the secondary and tertiary recovery of petroleum
- Patent number 3,948,783
- Issue date Apr 6, 1976
- Calgon Corporation
- Miklos Tamas Szabo
- E21 - EARTH DRILLING MINING

Nancy S. Sherwood

Person

Patents Grantslast 30 patents

Zinc, iron and manganese stabilization using polyether polyamino me...

Method for controlling calcium carbonate scaling in high pH aqueous...

Method of inhibiting the corrosion of copper and copper alloys

Method of inhibiting the corrosion of copper and copper alloys

Use of polyampholytes to enhance oil and/or gas recovery

Process for the secondary and tertiary recovery of petroleum