Inventor

Rolf L. Geerts

Inventor
Bartlesville, OK, US

Overview

34→
Patents
1993–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 34 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 bonds30%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry16%
C07CAcyclic or carbocyclic compounds14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
C07BGeneral methods of organic chemistry3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
C08JWorking-up2%
PatentTitleYear
7,230,128'Organometallic fluorenyl compounds, preparations, and use'20077,022,781'Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst'20066,828,268'Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst'20046,420,579'Organometallic fluorenyl compounds, preparation, and use'20026,403,734'Organometallic fluorenyl compounds, preparation, and use'20026,353,071'Processes to produce organo-aluminoxane compositions'20026,162,936'Organometallic fluorenyl compounds, preparation, and use'20006,096,915'Processes to produce organo-aluminoxane compositions'20006,005,061'Organo-aluminoxy product and use'19995,962,592'Ethylene copolymer compositions'19995,670,589'Organoaluminoxy product, catalyst systems, preparation, and use'19975,627,247'Organometallic fluorenyl compounds and use thereof in olefin polymerization'19975,627,118'Silyl bridged metallocenes and use thereof'19975,616,752'Metallocenes and processes therefor and therewith'19975,610,247'Unbridged metallocenes of 9-substituted fluorenyl compounds and use thereof'19975,594,078'Process for producing broad molecular weight polyolefin'19975,583,189'Polymerization processes'19965,565,592'Vinly-substituted bridged metallocenes'19965,534,473'Catalyst systems for producing broad molecular weight polyolefin'19965,496,781'Metallocene catalyst systems, preparation, and use'19965,480,848'Catalyst composition and the use in olefin polymerization'19965,480,948'Olefin polymerization process'19965,466,766'Metallocenes and processes therefor and therewith'19955,459,203'Ethylene cone-shell polymer powders'19955,459,218'Syndiotactic polypropylene prepared using silyl bridged metallocenes'19955,436,305'Organometallic fluorenyl compounds, preparation, and use'19955,436,212'Organoaluminoxy product, preparation, and use'19955,414,180'Organo-aluminoxy product and use'19955,411,925'Organo-aluminoxy product and use'19955,401,817'Olefin polymerization using silyl-bridged metallocenes'19955,399,636'Metallocenes and processes therefor and therewith'19955,399,622'System of chromium catalyst and yttrium catalyst, olefin polymerization process, and polymer'19955,354,721'Organo-aluminoxy product and use'19945,244,991'Olefin polymerization process'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2006Patents assigned to PHILLIPS PETROLEUM CO (31)· patent assignee history
1993–2007Based in Bartlesville, OK, US· patent location history
2007Patents assigned to PHILLIPS POTROLEUM COMPANY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILLIPS PETROLEUM CO311993–2006
PHILLIPS POTROLEUM COMPANY12007
Locations
LocationPatentsSpan
Bartlesville, OK, US341993–2007