David C. Underwood

Person

Cincinnati, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Compositions and methods for removing oily or greasy soils
- Patent number 5,919,312
- Issue date Jul 6, 1999
- The Procter & Gamble Company
- Thomas James Wierenga
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Concentrated liquid hard surface detergent compositions containing...
- Patent number 5,534,184
- Issue date Jul 9, 1996
- The Procter & Gamble Company
- David C. Underwood
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Liquid hard surface detergent compositions containing specific poly...
- Patent number 5,531,933
- Issue date Jul 2, 1996
- The Procter & Gamble Company
- Ronald A. Masters
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Liquid hard surface detergent compositions containing zwitterionic...
- Patent number 5,454,983
- Issue date Oct 3, 1995
- The Procter & Gamble Company
- Daniel W. Michael
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Hydrolysis of triglycerides
- Patent number 4,218,386
- Issue date Aug 19, 1980
- The Procter & Gamble Company
- Ted J. Logan
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Process for separating esters of fatty acids
- Patent number 4,210,594
- Issue date Jul 1, 1980
- The Procter & Gamble Company
- Ted J. Logan
- C07 - ORGANIC CHEMISTRY

David C. Underwood

Person

Patents Grantslast 30 patents

Compositions and methods for removing oily or greasy soils

Concentrated liquid hard surface detergent compositions containing...

Liquid hard surface detergent compositions containing specific poly...

Liquid hard surface detergent compositions containing zwitterionic...

Hydrolysis of triglycerides

Process for separating esters of fatty acids