Richard Lisowsky — 14 Patents at Witco

Richard Lisowsky has been granted 14 US patents while listed as an inventor at Witco. The first was granted in 1994 and the most recent in April 2021. Richard Lisowsky ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Richard Lisowsky in Kamen, DE.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10980239	Decontamination solution and its use for denaturation, modification, degradation, solubilisation and removal of proteins, nucleic acid molecules and microorganisms	Thomas Lisowsky, Karlheinz Esser	2021-04-20
7235681	Method for producing organoaluminum complexes and the use thereof for producing electrolyte solutions for the electrochemical deposition of aluminum-magnesium alloys	Klaus-Dieter Mehler	2007-06-26
6765103	Process for the hydrogenation of unsaturated transition metal compounds	Burkhardt Giese, Jan Timmermann, Thomas Wanke, Mario Hüttenhofer	2004-07-20	$5,708,000
5856541	Process for preparing 1 3-disubstituted cyclopentadienyl ligands and transition metal complexes thereof	—	1999-01-05	$3,232,000
5708150	Process for preparing transition metal complexes containing disubstituted cyclopentadienyl ligands	—	1998-01-13	$11,930,000
5625086	Process for the preparation of cyclopentadienyltrialkoxytitanium derivatives	—	1997-04-29	$12,255,000
5618956	Asymmetrically substituted metallocenes which are functionalized on one cyclopentadienyl ring, and their preparation	—	1997-04-08	$12,508,000
5612462	Process for preparing bridged stereorigid metallocenes	—	1997-03-18	$11,626,000
5545785	Process for preparing biscyclopentadienyl compounds	—	1996-08-13	$6,159,000
5543535	Organotin compounds useful in preparing bridged stereorigid metallocenes	—	1996-08-06	$5,701,000
5523435	Process for the synthesis of monomethylmetallocenes and dimethylmetallocenes and their solutions specifically for use in the polymerization of olefins	—	1996-06-04	$4,074,000
5474716	Process for the preparation of bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenes	—	1995-12-12	$10,211,000
5453221	Bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenes	—	1995-09-26	$10,201,000
5336795	Process for the preparation of transition metal complexes having monosubstituted cyclopentadienyl ligands	—	1994-08-09	$9,191,000

Richard Lisowsky — 14 Patents

Issued Patents All Time

Patent Widget