Brigitte Spei

Follow

Person

Duesseldorf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Water-in-oil emulsions
- Patent number 5,358,988
- Issue date Oct 25, 1994
- Henkel Kommanditgesellschaft auf Aktien
- Ludwig Schieferstein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the demulsification of oil/water emulsions using organi...
- Patent number 4,961,858
- Issue date Oct 9, 1990
- Henkel Kommanditgesellschaft auf Aktien
- Brigitte Spei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for controlling the breaking of oil-in water emulsions
- Patent number 4,789,483
- Issue date Dec 6, 1988
- Henkel Kommanditgesellschaft auf Aktien
- Brigitte Spei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Organic paint stripper
- Publication number 20030119688
- Publication date Jun 26, 2003
- Hans-Joergen Rehm
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Aqueous alkaline paint stripper
- Publication number 20030114327
- Publication date Jun 19, 2003
- Hans-Joergen Rehm
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...