Erwin Thomas — 20 Patents at Basf Se

Erwin Thomas has been granted 20 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in December 1989. Erwin Thomas ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Erwin Thomas in Freinsheim, DE.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date
4889704	Preparation of hydroxylammonium salts	Hugo Fuchs, Josef Ritz, Franz-Josef Weiss	1989-12-26
4778669	Preparation of aqueous solutions of free hydroxylamine	Hugo Fuchs, Franz-Josef Weiss, Josef Ritz	1988-10-18
4737354	Preparation of hydroxylamine-O-sulfonic acid	Hugo Fuchs, Franz-Josef Weiss, Josef Ritz	1988-04-12
4725360	Working up wastewaters containing hydroxylamine or its salts	Hugo Fuchs, Franz-Josef Weiss, Josef Ritz	1988-02-16
4659683	Regeneration of inactive and poisoned platinum catalysts	Werner Biffar, Otto Hofstadt, Klaus Kartte, Franz-Josef Weiss	1987-04-21
4645579	Preparation of aqueous hydroxylamine solutions	Franz-Josef Weiss, Wolfgang Habermann, Peter Hammes, Elmar Frommer, Peter Thoma	1987-02-24
4634584	Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation	Otto-Alfred Grosskinsky, Elmar Frommer, Josef Ritz, Franz-Josef Weiss	1987-01-06
4629613	Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation	Otto-Alfred Grosskinsky, Elmar Frommer, Josef Ritz, Franz-Josef Weiss	1986-12-16
4601800	Preparation of aqueous solutions of hydroxylammonium carbonate	Franz-Josef Weiss, Wolfgang Habermann, Peter Hammes, Josef Ritz, Peter Thoma	1986-07-22
4576804	Stabilized solutions of hydroxylamine or its salts	Otto-Alfred Grosskinsky, Elmar Frommer, Josef Ritz, Franz-Josef Weiss	1986-03-18
4551318	Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation	Otto-Alfred Grosskinsky, Elmar Frommer, Josef Ritz, Franz-Josef Weiss	1985-11-05
4507271	Removal of nitrous oxide from gases containing hydrogen, nitric oxide and nitrous oxide	Frans van Deyck, Franz-Josef Weiss, Roger Verberckt, Benedikt Mangelschots, Paul Pijl	1985-03-26
4491567	Manufacture of hydroxylammonium salts	Gunther Rapp, deceased, Rolf Muenster, Brodus E. Caffall, Philip A. Cyr, Thomas M. Jones	1985-01-01
4477424	Continuous preparation of hydroxylammonium salts	Otto-Alfred Grosskinsky, Elmar Frommer, Gunther Rapp, deceased	1984-10-16
4457906	Preparation of hydroxylammonium salts	Otto-Alfred Grosskinsky, Elmar Frommer, Guenther Rapp	1984-07-03
4438084	Manufacture of hydroxylammonium salts	Guenther Rapp, Rolf Muenster	1984-03-20
4404176	Preparation of hydroxylammonium salts	Otto-Alfred Grosskinsky, Elmar Frommer, Gunther Rapp, deceased	1983-09-13
4387082	Removal of nitrous oxide from exit gases containing this compound during the production of hydroxylammonium salts	Alfred-Otto Grosskinsky, Elmar Frommer, Guenther Rapp, Ruediger Schmitz	1983-06-07
4340575	Manufacture of hydroxylammonium salts	Guenther Rapp, Kurt Jockers	1982-07-20
4192856	Manufacture of hydroxylammonium salts	Guenther Rapp, Dieter Wolf	1980-03-11

Erwin Thomas — 20 Patents

Issued Patents All Time

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