Inventor · disambiguated record
Lee Spencer
Also filed as: SPENCER JR LEE R · SPENCER LEE · SPENCER LEE F
20 granted patents·1 pending application·1,229 citations·filing 1989–2006
97Inventor score
Files withDOW CHEMICAL CO13DOW GLOBAL TECHNOLOGIES INC43M INNOVATIVE PROPERTIES CO1BP CHEM INT LTD1DEXTER CORP1
Top patents by PatentIndex Score
21 records- 0199US5883204ASolution polymerization process with dispersed catalyst activatorDOW CHEMICAL CO·Filed 1997·Granted Mar 16, 1999·271 cites·6 claims
- 0295US7645835B2High density ethylene homopolymers and blend compositionsDOW GLOBAL TECHNOLOGIES INC·Filed 2006·Granted Jan 12, 2010·25 cites·11 claims
- 0394US7153909B2High density ethylene homopolymers and blend compositionsDOW GLOBAL TECHNOLOGIES INC·Filed 2002·Granted Dec 26, 2006·55 cites·14 claims
- 0492US5688880AReadily supportable metal complexesDOW CHEMICAL CO·Filed 1995·Granted Nov 18, 1997·84 cites·12 claims
- 0592US5633419APolymerization of olefins in the presence of a supported catalystDOW CHEMICAL CO·Filed 1995·Granted May 27, 1997·76 cites·26 claims
- 0692US5420090ASilica supported transition metal catalystsDOW CHEMICAL CO·Filed 1993·Granted May 30, 1995·59 cites·10 claims
- 0791US6506866B2Ethylene copolymer compositionsDOW GLOBAL TECHNOLOGIES INC·Filed 1997·Granted Jan 14, 2003·68 cites·6 claims
- 0891US6087293ASupported catalyst containing tethered cation forming activatorDOW CHEMICAL CO·Filed 1996·Granted Jul 11, 2000·81 cites·14 claims
- 0991US5487938ASilica supported transition metal catalystDOW CHEMICAL CO·Filed 1994·Granted Jan 30, 1996·58 cites·11 claims
- 1091US5231151ASilica supported transition metal catalystDOW CHEMICAL CO·Filed 1992·Granted Jul 27, 1993·59 cites·10 claims
- 1190US6462161B1Polyolefin composition with molecular weight maximum occurring in that part of the composition that has the highest comonomer contentBP CHEM INT LTD·Filed 1997·Granted Oct 8, 2002·90 cites·50 claims
- 1290US5798314ASupported olefin polymerization catalystDOW CHEMICAL CO·Filed 1996·Granted Aug 25, 1998·61 cites·7 claims
- 1390US4945005AThermoplastic compositions and articles made therefromDEXTER CORP·Filed 1989·Granted Jul 31, 1990·71 cites·27 claims
- 1487US5661097ASupported olefin polymerization catalystDOW CHEMICAL CO·Filed 1994·Granted Aug 26, 1997·41 cites·47 claims
- 1586US7521518B2Ethylene copolymer compositionsDOW GLOBAL TECHNOLOGIES INC·Filed 2003·Granted Apr 21, 2009·25 cites·12 claims
- 1683US6172173B1Silica supported transition metal catalystDOW CHEMICAL CO·Filed 1997·Granted Jan 9, 2001·44 cites·29 claims
- 1771US5854362ASupported biscyclopentadienyl metal complexesDOW CHEMICAL CO·Filed 1995·Granted Dec 29, 1998·16 cites·8 claims
- 1866US6043180ASupported catalyst component, supported catalyst, their preparation, and addition polymerization processDOW CHEMICAL CO·Filed 1997·Granted Mar 28, 2000·21 cites·20 claims
- 1964US6747113B1Silica supported transition metal catalystDOW CHEMICAL CO·Filed 2000·Granted Jun 8, 2004·6 cites·24 claims
- 2058US7099078B2Borescope with simultaneous video and direct viewingKEYMED MEDICAL & IND LTD·Filed 2003·Granted Aug 29, 2006·18 cites·14 claims
- 2145US2003175497A1Flame retardant foams, articles including same and methods for the manufacture thereof3M INNOVATIVE PROPERTIES CO·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Lee Spencer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →