Inventor · disambiguated record
Gerhard Langstein
Also filed as: APP WILLIAM E · LANGSTEIN GERHARD
19 granted patents·13 pending applications·225 citations·filing 1991–2019
94Inventor score
Top patents by PatentIndex Score
32 records- 0191US7446151B2Process for production of high-isoprene butyl rubberLANXESS INC·Filed 2007·Granted Nov 4, 2008·14 cites·7 claims
- 0285US5554689ACombinations of polyorganosiloxanes and fluororubbers containing double bonds by Si-H additionBAYER AG·Filed 1994·Granted Sep 10, 1996·42 cites·14 claims
- 0374US6156859AProcess for producing highly branched polyisoolefinsBAYER AG·Filed 1997·Granted Dec 5, 2000·30 cites·15 claims
- 0471US5214115AUncrosslinked copolymers containing reactive double bonds of fluorine monomers and unconjugated dienes and a process for their productionBAYER AG·Filed 1992·Granted May 25, 1993·21 cites·6 claims
- 0569US6562916B2Process for the preparation of isoolefin copolymersBAYER AG·Filed 2001·Granted May 13, 2003·7 cites·6 claims
- 0666US5703182AProcess for the production of polyisoolefins by means of novel metallocene type initiator systemsBAYER AG·Filed 1997·Granted Dec 30, 1997·16 cites·9 claims
- 0764US5539065AProcess for the production of C4 -C16 alkyl rubbers using the slurry processBAYER AG·Filed 1995·Granted Jul 23, 1996·18 cites·4 claims
- 0860US7282548B2Process for production of high-isoprene butyl rubberLANXESS INC·Filed 2004·Granted Oct 16, 2007·4 cites·8 claims
- 0959US6015841AInitiator systems containing vanadium tetrachloride for the (co)polymerization of isoolefinsBAYER AG·Filed 1997·Granted Jan 18, 2000·16 cites·20 claims
- 1059US5543479AProcess for the production of polyisoolefinsBAYER AG·Filed 1995·Granted Aug 6, 1996·17 cites·5 claims
- 1156US8354028B2Method for separating an organic phase from an electrolyte-containing aqueous and organic phaseBAYER MATERIALSCIENCE AG·Filed 2007·Granted Jan 15, 2013·0 cites·3 claims
- 1256US5247036ANon-crosslinked polymers, containing reactive double bonds, of fluorinated monomers and alkenyl (iso)-cyanuratesBAYER AG·Filed 1991·Granted Sep 21, 1993·11 cites·13 claims
- 1356US2009018289A1Process for production of high-isoprene butyl rubberLANXESS INC·Filed 2008·Application pending·0 cites
- 1454US6846885B2Process for the preparation of isoolefin copolymersBAYER AG·Filed 2003·Granted Jan 25, 2005·2 cites·5 claims
- 1552US2005196627A1Anti-stick coatings for reactorsFiled 2005·Application pending·0 cites
- 1650US5587424AMixture of fluorocarbon rubber and silicone/acrylate core/shell rubberBAYER AG·Filed 1995·Granted Dec 24, 1996·15 cites·7 claims
- 1750US2009030169A1Process for production of high-isoprene butyl rubberRESENDES R·Filed 2007·Application pending·0 cites
- 1849US5668232AProcess for the production of polyisoolefinsBAYER AG·Filed 1996·Granted Sep 16, 1997·11 cites·5 claims
- 1946US2013072631A1Method for separating an organic phase from an electrolyte-containing aqueous and organic phaseBAYERMATERIAL SCIENCE AG·Filed 2012·Application pending·0 cites
- 2045US6545100B2Halogenated, high molecular weight, gel-free isobutene copolymers with elevated double bond contentsBAYER AG·Filed 2001·Granted Apr 8, 2003·1 cites·10 claims
- 2143US11905177B2Storage medium and method for separating, storing and transporting chlorine from chlorine-containing gasesCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Feb 20, 2024·0 cites·13 claims
- 2243US2008177098A1Process for the preparation of metal-organic frameworksBAHNMULLER STEFAN·Filed 2007·Application pending·0 cites
- 2341US7256244B2Process for production of high-isoprene butyl rubberLANXESS INC·Filed 2003·Granted Aug 14, 2007·0 cites·6 claims
- 2440US2003198739A1Anti-stick coatings for reactorsFiled 2003·Application pending·0 cites
- 2539US6677421B2Process for the preparation of isoolefin copolymersBAYER AG·Filed 2002·Granted Jan 13, 2004·0 cites·7 claims
- 2637US2004116627A1Process for the preparation of isoolefin copolymersFiled 2003·Application pending·0 cites
- 2736US2020306723A1Storage material and method for chlorine storageCOVESTRO DEUTSCHLAND AG·Filed 2017·Application pending·0 cites
- 2835US2021107865A1Aliphatic amine and its preparation method and useCOVESTRO DEUTSCHLAND AG·Filed 2017·Application pending·0 cites
- 2935US2001014726A1High molecular weight, gel-free isobutene copolymers with elevated double bond contentsFiled 2001·Application pending·0 cites
- 3034US2002111414A1Rubber composition for tire inner linerFiled 2001·Application pending·0 cites
- 3134US2002132904A1Rubber composition for tire treadsFiled 2001·Application pending·0 cites
- 3234US2002115766A1Rubber composition for tire tubeFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →