Fritz Graser — 12 Patents at Basf Se

Fritz Graser has been granted 12 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in February 1988. Fritz Graser ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Fritz Graser in Ludwigshafen, DE.

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Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date
4725690	Perylene-3,4,9,10-tetracarboxylic acid diimide dye	—	1988-02-16
4667417	Preparation of aerogels	Andreas Stange	1987-05-26
4517270	Electrophotographic recording medium	Gerhard Hoffmann, Reinhold J. Leyrer, Peter Neumann, Manfred Patsch	1985-05-14
4451654	Conditioning of finely divided crude organic pigments	Gerhard Wickenhaeuser	1984-05-29
4450273	NN' Para methoxy benzyl perylene-3,4,9,10-tetracarboxylic acid diimide	—	1984-05-22
4446324	Perylenetetracarboxylic acid diimides and their use	—	1984-05-01
4429029	Organic electrophotographic recording medium	Gerhard Hoffmann, Reinhold J. Leyrer	1984-01-31
4419427	Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-(2',6'-dichlorophenyl)-diimide	Gerhard Hoffmann, Reinhold J. Leyrer, Peter Neumann	1983-12-06
4379934	Process for two-dimensionally concentrating light, and novel perylene-3,4,9,10-tetracarboxylic acid diimides	Guenther Seybold	1983-04-12
4368582	Process for drying finely divided pigments	Gerhard Wickenhaeuser	1983-01-18
4262851	Process for converting crude and/or coarsely crystalline perylenetetracarboxylic acid diimides to a pigmentary form	Paul Guenthert	1981-04-21
4240793	Preparation of a high-hiding and deeply colored pigmentary form of perylene-3,4,9,10-tetracarboxylic acid bis-(4'-ethoxyphenyl)-imide	—	1980-12-23

Fritz Graser — 12 Patents

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