Andreas Oberlinner

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Ludwigshafen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Spirodipyrans useful as dye precursors for copying processes
- Patent number 4,029,677
- Issue date Jun 14, 1977
- BASF Aktiengesellschaft
- Hans Baumann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dye precursors for pressure-sensitive recording material
- Patent number 3,985,376
- Issue date Oct 12, 1976
- BASF Aktiengesellschaft
- Hans Baumann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of aminobenzaldehydes
- Patent number 3,971,821
- Issue date Jul 27, 1976
- BASF Aktiengesellschaft
- Hans Baumann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spirodipyrans and chromogenic materials for copying processes
- Patent number 3,971,808
- Issue date Jul 27, 1976
- BASF Aktiengesellschaft
- Hans Baumann
- C07 - ORGANIC CHEMISTRY