Dietrich Hoffmann

Follow

Person

Roedersheim-Gronau, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Aqueous dye preparations
- Patent number 5,891,227
- Issue date Apr 6, 1999
- BASF Aktiengesellschaft
- Dietrich Hoffmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heat sensitive recording materials with polymer enrobed sensitizer
- Patent number 5,354,724
- Issue date Oct 11, 1994
- BASF Aktiengesellschaft
- Dietrich Hoffmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color former preparations
- Patent number 5,346,931
- Issue date Sep 13, 1994
- BASF Aktiengesellschaft
- Dietrich Hoffmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Preparation of spherical, hard mono- or oligodisperse particles of...
- Patent number 5,162,486
- Issue date Nov 10, 1992
- BASF Aktiengesellschaft
- Heinrich Follmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carbon papers containing carbon paper compositions
- Patent number 4,725,493
- Issue date Feb 16, 1988
- BASF Aktiengesellschaft
- Dietrich Hoffmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS