Heinz Giesecke

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Alkanolammonium-containing triazinyl flavonate whiteners
- Patent number 7,608,168
- Issue date Oct 27, 2009
- Kemira Oyj
- Heinz Giesecke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of brighteners for the preparation of coating slips
- Patent number 7,258,815
- Issue date Aug 21, 2007
- Karl-Heinz Drenker
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Preparations of solids containing graft copolymers
- Patent number 6,489,382
- Issue date Dec 3, 2002
- Bayer Aktiengesellschaft
- Heinz Giesecke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of cationic hydrazone dyestuffs
- Patent number 4,424,349
- Issue date Jan 3, 1984
- Bayer Aktiengesellschaft
- Heinz Giesecke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of cationic dyestuffs
- Patent number 4,349,670
- Issue date Sep 14, 1982
- Bayer Aktiengesellschaft
- Roderich Raue
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of pyridine-4-aldehyde phenylhydrazones
- Patent number 4,310,664
- Issue date Jan 12, 1982
- Bayer Aktiengesellschaft
- Heinz Giesecke
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Triazinyl flavonate brighteners
- Publication number 20090227712
- Publication date Sep 10, 2009
- Heinz Giesecke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Alkanolammonium-containing triazinyl flavonate whiteners
- Publication number 20060065381
- Publication date Mar 30, 2006
- Heinz Giesecke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Use of brighteners for the preparation of coating slips
- Publication number 20030236326
- Publication date Dec 25, 2003
- Karl-Heinz Drenker
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Use of aqueous brightener preparations for brightening natural and...
- Publication number 20030089888
- Publication date May 15, 2003
- Erwin Bacher
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...