Inventor

Bruce E. Kreischer

Inventor
Kingwood, TX, US

Overview

37→
Patents
1997–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 37 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%
C07CAcyclic or carbocyclic compounds22%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
Y02PClimate change mitigation technologies in the production or processing of goods9%
C08LCompositions of macromolecular compounds7%
C08JWorking-up3%
C10GCracking hydrocarbon oils3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C10MLubricating compositions3%
PatentTitleYear
10,927,054Ethylene oligomerization/trimerization/tetramerization reactor202110,604,457Ethylene oligomerization processes202010,519,077Ethylene oligomerization/trimerization/tetramerization reactor201910,513,473Ethylene oligomerization/trimerization/tetramerization reactor201910,435,336Olefin compositions20199,745,230'Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends'20179,550,841'Methods of preparation of an olefin oligomerization catalyst'20179,505,675'Deactivation of a process by-product'20169,469,707'Pressure management for slurry polymerization'20169,433,914'Polyolefin reactor system having a gas phase reactor'20169,375,708'Compositions and catalyst systems of metal precursors and olefinic diluents'20169,340,627'Elbow and horizontal configurations in a loop reactor'20169,334,203'Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends'20169,238,698'Pressure management for slurry polymerization'20169,175,109'Oligomerization processes and polymer compositions produced therefrom'20158,993,822'Methods of preparation of an olefin oligomerization catalyst'20158,932,527'Elbow and horizontal configurations in a loop reactor'20158,921,498'Pressure management for slurry polymerization'20148,883,940'Pressure management for slurry polymerization'20148,536,391'Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends'20138,362,278'Methods for the conversion of a substituted furan to a substituted pyrrole'20138,344,198'Process to decrease or eliminate corrosion from the decomposition of halide containing olefin catalysts'20138,329,608'Methods of preparation of an olefin oligomerization catalyst'20128,049,052'System and method of deactivating and quenching an oligomerization catalyst'20117,994,376'Olefin oligomerization'20117,910,670'Methods of preparation of an olefin oligomerization catalyst'20117,820,581'Methods of preparation of an olefin oligomerization catalyst'20107,718,838'Olefin production process'20107,476,775'Method and system for separating an oligomerization reactor effluent'20097,384,886'Methods of preparation of an olefin oligomerization catalyst'20087,332,637'Isomerization of olefins with carboxylic acid'20087,157,612'Olefin production process'20076,455,648'Olefin production'20026,380,451'Methods for restoring the heat transfer coefficient of an oligomerization reactor'20026,114,501'Diluent recycle process'20006,045,661'Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent'20005,641,842'Ethylene copolymerization process'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2007Patents assigned to PHILLIPS PETROLEUM CO (5)· patent assignee history
1997Based in Houston, TX, US· patent location history
2000–2010Based in Bartlesville, OK, US· patent location history
2002–2016Patents assigned to CHEVRON PHILLIPS CHEMICAL CO (22)· patent assignee history
2008–2019Based in Humble, TX, US· patent location history
2011–2021Based in Kingwood, TX, US· patent location history
2012–2016Patents assigned to KREISCHER BRUCE E (5)· patent assignee history
2012–2016Patents assigned to KNUDSEN RONALD D (4)· patent assignee history
2016–2021Patents assigned to CHEVRON PHILLIPS CHEMICAL CO LP (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON PHILLIPS CHEMICAL CO222002–2016
CHEVRON PHILLIPS CHEMICAL CO LP102016–2021
KREISCHER BRUCE Eself52012–2016
PHILLIPS PETROLEUM CO51997–2007
KNUDSEN RONALD D42012–2016
Locations
LocationPatentsSpan
Kingwood, Texas, US162011–2021
Humble, Texas, US142008–2019
Bartlesville, OK, US62000–2010
Houston, Texas, US11997