Friedrich Schophoff

Follow

Person

Frankfurt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of finished dyeings which are fast to t...
- Patent number 5,288,680
- Issue date Feb 22, 1994
- Cassella Aktiengesellschaft
- Rudolf Binder
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Color-stable beta-modification of a monoazo dye, a process for its...
- Patent number 5,069,682
- Issue date Dec 3, 1991
- Cassella Aktiengesellschaft
- Rudolf Binder
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of azo dyestuffs by diazotization and coupling in the p...
- Patent number 4,795,807
- Issue date Jan 3, 1989
- Cassella Aktiengesellschaft
- Ulrich Buhler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 2,4-dinitrophenyl ethers
- Patent number 4,695,656
- Issue date Sep 22, 1987
- Cassella Aktiengesellschaft
- Kuno Reh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,4-dinitrophenol alkoxyalkyl ethers
- Patent number 4,686,301
- Issue date Aug 11, 1987
- Hoechst Aktiengesellschaft
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY