Inventor · disambiguated record
John G. Hefner
Also filed as: HEFNER JOHN · HEFNER JOHN G · HEFNER JOHN GUINN
10 granted patents·118 citations·filing 1989–1999
89Inventor score
Top patents by PatentIndex Score
10 records- 0173US5312938AHomogeneous catalysts and olefin polymerization processDOW CHEMICAL CO·Filed 1993·Granted May 17, 1994·23 cites·5 claims
- 0273US5045517ACatalyst and process for preparation of syndiotactic polystyreneDOW CHEMICAL CO·Filed 1990·Granted Sep 3, 1991·24 cites·7 claims
- 0365US5196490AProcess for preparation of syndiotactic polystyreneDOW CHEMICAL CO·Filed 1991·Granted Mar 23, 1993·16 cites·7 claims
- 0465US5194532AHomogeneous catalysts and olefin polymerization processDOW CHEMICAL CO·Filed 1992·Granted Mar 16, 1993·11 cites·6 claims
- 0562US4892914ACatalysts prepared from tetrakis(dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewithDOW CHEMICAL CO·Filed 1989·Granted Jan 9, 1990·14 cites·38 claims
- 0650US4956323ACatalysts prepared from tetrakis(dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewithDOW CHEMICAL CO·Filed 1989·Granted Sep 11, 1990·8 cites·8 claims
- 0747US5554777ACatalyst for the preparation of linear carbon monoxide/alpha-olefin copolymersDOW CHEMICAL CO·Filed 1994·Granted Sep 10, 1996·5 cites·9 claims
- 0846US5565547ACatalyst for the preparation of linear carbon monoxide/alpha-olefin copolymersDOW CHEMICAL CO·Filed 1995·Granted Oct 15, 1996·9 cites·4 claims
- 0942US6239250B1Hot melt adhesives produced from linear alternating polyketonesAIR PROD & CHEM·Filed 1999·Granted May 29, 2001·8 cites·15 claims
- 1025US9096PHybrid tea rose plant named Classic TouchCERTIFIED ROSES INC·Filed 1993·Granted Apr 4, 1995·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →