Alwin Krotzek — 3 Patents at Schering

Alwin Krotzek has been granted 3 US patents while listed as an inventor at Schering. The first was granted in 1992 and the most recent in March 2012. Alwin Krotzek ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Alwin Krotzek in Werne, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8133941	Aqueous epoxy resin compositions	Joerg Volle	2012-03-13	$37,929,000
5106443	Process for the manufacture of pipe from composite materials based on epoxy resins and 1,7-bis-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane	Christian Burba, Herbert Franz, Werner Mrotzek	1992-04-21
5080740	Process for the fabrication of fiber-reinforced wound structures from epoxy resins and 3-(1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)heptane and/or (1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl)-2,4,4-trimethyl-1-penta ne	Christian Burba, Herbert Franz, Werner Mrotzek	1992-01-14

Alwin Krotzek — 3 Patents

Issued Patents All Time

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