Friedrich Closs

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Ludwigshafen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Triphenylene compounds and preparation of discotic liquid crystalli...
- Patent number 5,736,068
- Issue date Apr 7, 1998
- BASF Aktiengesellschaft
- Lukas Haeussling
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ink-ribbons comprising IR-absorbing compounds
- Patent number 5,607,762
- Issue date Mar 4, 1997
- BASF Aktiengesellschaft
- Bernhard Albert
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laked tris- or tetracationic polymethine dyes
- Patent number 5,445,672
- Issue date Aug 29, 1995
- BASF Aktiengesellschaft
- Friedrich Closs
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Low-molecular-weight and polymeric liquid-crystalline benzotriazole...
- Patent number 5,429,770
- Issue date Jul 4, 1995
- BASF Aktiengesellschaft
- Friedrich Closs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Increasing photoconductivity by adjusting the discotic phase
- Patent number 5,393,626
- Issue date Feb 28, 1995
- BASF Aktiengesellschaft
- Friedrich Closs
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Use of a liquid containing IR dyes as printing ink
- Patent number 5,282,894
- Issue date Feb 1, 1994
- BASF Aktiengesellschaft
- Bernhard Albert
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...