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USPTO Patent Rankings Data through Dec 31, 2025
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Albertus J. Pennings — 3 Patents

SBStamicarbon B.V.: 2 patents #111 of 427Top 30%
RGRijksuniversiteit Groningen: 1 patents #39 of 212Top 20%
Norg, NL: #2 of 2 inventorsTop 100%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Albertus J. Pennings has been granted 3 US patents while listed as an inventor at Stamicarbon B.V.. The first was granted in 1980 and the most recent in February 1996. Albertus J. Pennings ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Albertus J. Pennings in Norg, NL.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5492997 Copolymer of lactone and carbonate and process for the preparation of such a copolymer Dirk Wybe Grijpma, Erik Kroeze, Atze Jan Nijenhuis 1996-02-20
4200579 Compositions possessing increased building tack on the basis of new rubber-like copolymers of ethylene, at least one other .alpha.-alkene and one or more polyenes Arnold Vossebeld 1980-04-29
4200722 Rubber-like copolymers of ethylene, at least one other .alpha.-alkene and one or more polyenes possessing increased building tack Arnold Vossebeld 1980-04-29