Inventor
Richard E. Campbell, Jr.
Inventor
Midland, MI, US
Overview
Patents· 46 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 bonds38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium15%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C07CAcyclic or carbocyclic compounds3%
G01VGeophysics3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
B62DMotor vehicles1%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%
C08JWorking-up1%
PatentTitleYear
10,647,788Self-limiting catalyst system with controlled aluminum to SCA ratio and method20209,796,796'Self-limiting catalyst composition with No silane'20178,993,692'Self limiting catalyst composition for ethylene polymerization'20158,496,407'Seismic cable with adjustable buoyancy'20138,383,542'Polymerization modifiers'20138,343,886'Polymerization modifiers'20138,226,328'Seismic cable with adjustable buoyancy'20127,989,383'Self limiting catalyst composition and propylene polymerization process'20117,943,546'Polymerization modifiers'20117,933,165'Connector for seismic cable'20117,781,363'Self limiting catalyst composition and propylene polymerization process'20107,683,003'Method for identifying Ziegler-Natta cocatalysts'20107,678,868'Self limiting catalyst composition and propylene polymerization process'20107,553,917'Technique for selecting polymerization modifiers cross reference statement'20097,491,670'Self limiting catalyst composition and propylene polymerization process'20097,393,910'Catalyst composition for ethylene polymerization'20087,381,779'Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process'20087,094,901'Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom'20066,806,327'Substituted polycyclic, fused ring compounds, metal complexes and polymerization process'20046,800,701'Polycyclic, fused ring compounds, metal complexes and polymerization process'20046,716,786'Supported catalyst comprising expanded anions'20046,629,714'Modular truck bed storage apparatus'20036,627,573'Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom'20036,624,254'Silane functionalized olefin interpolymer derivatives'20036,613,921'Polycyclic, fused ring compounds, metal complexes and polymerization process'20036,500,949'Bridged metal complexes'20026,329,486'Cyclopentaphenanthrenyl metal complexes and polymerization process'20016,323,294'Cyclopentaphenanthrenyl metal complexes and polymerization process'20016,258,902'Olefin polymerization process'20016,191,245'.alpha.-Olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers'20016,150,297'Cyclopentaphenanthrenyl metal complexes and polymerization process'20006,136,993'Integrated process for preparation of diene complexes'20006,127,563'Integrated process for preparation of diene complexes'20006,084,115'Diene complexes of group 4 metals and process of preparation'20005,886,117'Process using borane derived catalysts for preparation of syndiotactic vinyl aromatic polymers'19995,206,197'Catalyst composition for preparation of syndiotactic vinyl aromatic polymers'19935,196,490'Process for preparation of syndiotactic polystyrene'19935,077,367'Crystalline syndiotactic copolymers from arylcyclobutene functional monomers and vinyl aromatic monomers'19915,066,741'Process for preparation of syndiotactic vinyl aromatic polymers'19915,045,517'Catalyst and process for preparation of syndiotactic polystyrene'19915,015,749'Preparation of polyhydrocarbyl-aluminoxanes'1991D0305322'Vehicle spare tire cover'19904,808,680'Polymerization of vinyl aromatic monomers using cyclopentadienyl zirconium catalysts'19894,774,301'Zirconium containing catalysts and method of use'19884,665,046'Organoactinide polymer catalysts'19874,659,685'Heterogeneous organometallic catalysts containing a supported titanium compound and at least one other supported organometallic compound'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2004Patents assigned to DOW CHEMICAL CO (22)· patent assignee history
1987–2020Based in Midland, MI, US· patent location history
1990Based in South Bend, IN, US· patent location history
2002–2010Patents assigned to DOW GLOBAL TECHNOLOGIES INC (12)· patent assignee history
2003Based in Strafford, MO, US· patent location history
2011–2015Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (5)· patent assignee history
2011–2012Based in Tallahasee, FL, US· patent location history
2013–2020Patents assigned to CAMPBELL JR RICHARD E (5)· patent assignee history
2013–2015Patents assigned to BEIGZADEH DARYOOSH (3)· patent assignee history
2013Based in Tallahassee, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 22 | 1987–2004 |
| DOW GLOBAL TECHNOLOGIES INC | 12 | 2002–2010 |
| CAMPBELL JR RICHARD Eself | 5 | 2013–2020 |
| DOW GLOBAL TECHNOLOGIES LLC | 5 | 2011–2015 |
| BEIGZADEH DARYOOSH | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 41 | 1987–2020 |
| Tallahasee, Florida, US | 2 | 2011–2012 |
| Tallahassee, Florida, US | 1 | 2013 |
| Strafford, MO, US | 1 | 2003 |
| South Bend, IN, US | 1 | 1990 |