Inventor · disambiguated record
Gerfried Pruckmayr
Also filed as: PRUCKMAYR GERFRIED
11 granted patents·1 pending application·319 citations·filing 1977–2005
92Inventor score
Top patents by PatentIndex Score
12 records- 0195US4139567AMethod for preparing copolyether glycolsDU PONT·Filed 1978·Granted Feb 13, 1979·54 cites·7 claims
- 0292US4163115APreparation of esters of poly-(tetramethylene ether) glycolDU PONT·Filed 1978·Granted Jul 31, 1979·59 cites·13 claims
- 0389US4153786AMethod for preparing ester end-capped copolyether glycolsDU PONT·Filed 1978·Granted May 8, 1979·46 cites·8 claims
- 0488US4120903AMethod for preparing poly(tetramethylene ether) glycolDU PONT·Filed 1977·Granted Oct 17, 1978·51 cites·4 claims
- 0579US4230892AAlcoholysis process for preparing poly-(tetramethylene ether) glycolDU PONT·Filed 1979·Granted Oct 28, 1980·26 cites·7 claims
- 0671US6989432B2Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic etherINVISTA NORTH AMERICA SARL·Filed 2003·Granted Jan 24, 2006·8 cites·8 claims
- 0770US5118869APolymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groupsDU PONT·Filed 1991·Granted Jun 2, 1992·21 cites·10 claims
- 0867US4202964AMethod for reducing oligomeric cyclic ether content of a polymerizateDU PONT·Filed 1978·Granted May 13, 1980·14 cites·8 claims
- 0964US4584414AProcess for preparing improved poly(tetramethylene ether) glycol by alcoholysisDU PONT·Filed 1984·Granted Apr 22, 1986·15 cites·1 claims
- 1062US4510333AMethod for preparing poly(tetramethylene ether) glycol having narrow molecular weight distributionDU PONT·Filed 1984·Granted Apr 9, 1985·14 cites·5 claims
- 1159US5284980ABlock copolyethers via oxonium coupling of poly(tetramethylene ether) glycolsDU PONT·Filed 1992·Granted Feb 8, 1994·11 cites·5 claims
- 1254US2006084786A1Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic etherINVISTA NORTH AMERICA SARL·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →