Herbert Letter — 1 Patent at Basf Se

Herbert Letter has been granted 1 US patent while listed as an inventor at Basf Se. All of these patents were granted in 1993. Herbert Letter ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Herbert Letter in Ludwigshafen, DE.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5186846	Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate	Ralf Brueckmann, Willi Bury, Johannes P. Dix, Manfred Herrmann, Waldemar Dlugosch +4 more	1993-02-16

Herbert Letter — 1 Patent

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