Rolf Schrader — 7 Patents at Witco

Rolf Schrader has been granted 7 US patents while listed as an inventor at Witco. The first was granted in 1985 and the most recent in June 1995. Rolf Schrader ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Rolf Schrader in Moss, NO.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5427992	Process for preparing solutions of oligomeric methylaluminoxanes	Jurgen Graefe, Stefan Gurtzgen, Karl-Heinz Muller, Jürgen Schneider	1995-06-27	$9,418,000
5403942	Process for the preparation of aluminoxanes	Ralf Becker, Stefan Gurtzgen	1995-04-04	$8,020,000
5380898	Process for preparing trimethylaluminum by reacting methylaluminum chlorides with sodium in solids reactors	Stefan Gurtzgen, Jürgen Schneider	1995-01-10
5359116	Process for preparing trimethylaluminum by reducing methylaluminum chlorides with sodium using high shearing forces	Ralf Becker, Stefan Gurtzgen, Jürgen Schneider	1994-10-25	$8,169,000
4698437	Alkali metal dialkylaluminum dihydrides and solutions thereof in aromatic hydrocarbons	Ulrich Schroeer	1987-10-06
4522010	Method of constructing a large spherical tank supported by a skirt on land	—	1985-06-11
4497101	Method and apparatus for the manufacture of a three-dimensional, shaped graphite electrode utilizing a three-dimensional, shaped file	—	1985-02-05

Rolf Schrader — 7 Patents

Issued Patents All Time

Patent Widget