Inventor

David R. Neithamer

Inventor
Midland, MI, US

Overview

25→
Patents
1991–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 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 bonds40%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium32%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals2%
PatentTitleYear
8,434,931'Stirrer and apparatus for small volume mixing'20137,491,672'Chemically-modified supports and supported catalyst systems prepared therefrom'20097,094,901'Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom'20067,012,121'Delayed activity supported olefin polymerization catalyst compositions and method for making and using the same'20066,891,005'Bridged metal complexes for gas phase polymerizations'20056,825,369'Metal complex compounds'20046,716,786'Supported catalyst comprising expanded anions'20046,627,573'Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom'20036,465,384'Biscyclopentadienyl diene complexes'20026,365,779'Boratabenzene cocatalyst with metallocene catalyst'20026,344,529'Zwitterionic catalyst activator'20026,255,246'Boratabenzene cocatalyst with metallocene catalyst'20016,087,293'Supported catalyst containing tethered cation forming activator'20006,034,021'Metal complexes containing bridged, non-aromatic, anionic, dienyl groups and addition polymerization catalysts therefrom'20005,817,849'Metal complexes containing bridged non-aromatic, anionic, dienyl groups and addition polymerization catalysts therefrom'19985,721,183'Catalyst system comprising amine or phosphine adducts of tris(organyl)borane compounds'19985,679,816'Preparation of biscyclopentadienyl diene complexes'19975,625,087'Silylium cationic polymerization activators for metallocene complexes'19975,541,349'Metal complexes containing partially delocalized II-bound groups and addition polymerization catalysts therefrom'19965,495,036'Metal (III) complexes containing conjugated, non-aromatic anionic II-bound groups and addition polymerization catalysts therefrom'19965,464,906'Ethylene homopolymerization using group 3 metal complexes'19955,399,635'Process for preparation of monocyclopentadienyl metal complex compounds and method of use'19955,350,723'Process for preparation of monocyclopentadienyl metal complex compounds and method of use'19945,132,380'Metal complex compounds'19925,064,802'Metal complex compounds'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2004Patents assigned to DOW CHEMICAL CO (20)· patent assignee history
1991–2004Based in Concord, CA, US· patent location history
1994–2013Based in Midland, MI, US· patent location history
2005–2006Patents assigned to BP CHEM INT LTD (2)· patent assignee history
2013Patents assigned to ATIEMO-OBENG VICTOR A (1)· patent assignee history
2013Patents assigned to BEIGZADEH DARYOOSH (1)· patent assignee history
2013Patents assigned to DIETSCHE LAURA J (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO201991–2004
BP CHEM INT LTD22005–2006
ATIEMO-OBENG VICTOR A12013
BEIGZADEH DARYOOSH12013
DIETSCHE LAURA J12013
Locations
LocationPatentsSpan
Midland, MI, US221994–2013
Concord, California, US31991–2004