Eugene Zeffren

Follow

Person

Wyoming, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hair bleaching compositions containing an arginine compound
- Patent number 3,997,659
- Issue date Dec 14, 1976
- The Procter & Gamble Company
- Richard B. Knohl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Enzyme-activated oxidative process for coloring hair
- Patent number 3,957,424
- Issue date May 18, 1976
- The Procter & Gamble Company
- Eugene Zeffren
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair setting process
- Patent number 3,935,868
- Issue date Feb 3, 1976
- The Procter & Gamble Company
- Eugene Zeffren
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE