Inventor
Donald E. Gessell
Inventor
Baton Rouge, LA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds53%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
C10LFuels not otherwise provided for6%
F17DPipe-line systems6%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
5,276,116'Composition and method for friction loss reduction'19945,028,574'Composition and method for friction loss reduction'19914,952,738'Composition and method for friction loss reduction'19904,945,142'Composition and process for friction loss reduction'19904,783,512'Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound'19884,699,961'High efficiency catalysts for varying olefin polymer molecular weight distribution'19874,603,183'Hydrocarbon soluble catalyst supports and resultant polymerization catalysts'19864,518,706'Hydrocarbon soluble catalyst supports and resultant polymerization catalysts'19854,511,669'High efficiency catalysts for varying olefin polymer molecular weight distribution'19854,496,660'Catalyst prepared from organo-magnesium compound; oxygen- or nitrogen-containing compound; halide source; transition metal compound and reducing agent'19854,426,316'Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound'19844,387,200'Process for polymerizing olefins employing a catalyst prepared from organomagnesium compound; oxygen- or nitrogen- containing compound; halide source; transition metal compound and reducing agent'19834,341,891'Method for reducing gels in polyolefin'19824,246,383'Process for polymerizing olefins in the presence of a catalyst prepared from an organomagnesium component which does not reduce TiCl.sub.4'19814,244,838'High efficiency catalyst for polymerizing olefins'19814,172,050'High efficiency titanate catalyst for polymerizing olefins'19794,167,615'Hydrocarbon soluble catalyst containing dinitrogen or dihydrogen transition metal complex'19794,163,831'High efficiency titanate catalyst for polymerizing olefins'19794,091,082'Hydrocarbon soluble catalyst containing dinitrogen or dihydrogen transition metal complex'19784,067,822'High efficiency complex catalyst for polymerizing olefins'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1988Patents assigned to DOW CHEMICAL CO (12)· patent assignee history
1978–1985Based in Baton Rouge, LA, US· patent location history
1983–1988Based in Ponca City, OK, US· patent location history
1985–1987Patents assigned to DU PONT (4)· patent assignee history
1990–1994Patents assigned to CONOCO INC (4)· patent assignee history
1990–1994Based in Friendswood, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 12 | 1978–1988 |
| CONOCO INC | 4 | 1990–1994 |
| DU PONT | 4 | 1985–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baton Rouge, LA, US | 9 | 1978–1985 |
| Ponca City, OK, US | 7 | 1983–1988 |
| Friendswood, Texas, US | 4 | 1990–1994 |