Constance E. Erdman

Follow

Person

Racine County, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Inhibiting the corrosion of hair conditioning compositions
- Patent number 4,720,382
- Issue date Jan 19, 1988
- S. C. Johnson & Son, Inc.
- Constance E. Erdman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of eliminating the corrosivity of hair conditioning composit...
- Patent number 4,716,037
- Issue date Dec 29, 1987
- S. C. Johnson & Son, Inc.
- Constance E. Erdman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE