Inventor
Gordon R. Roof
Inventor
Midland, MI, US
Overview
Patents· 27 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 bonds13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C07CAcyclic or carbocyclic compounds11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
H10KOrganic electric solid-state devices9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
Y10TTechnical subjects covered by former us classification7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
PatentTitleYear
9,643,900'Hyperbranched ethylene-based oils and greases'20179,422,375'Non-cyclopentadienyl-based chromium catalysts for olefin polymerization'20169,296,836'Non-cyclopentadienyl-based chromium catalysts for olefin polymerization'20169,243,090'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20168,907,034'Comb architecture olefin block copolymers'20148,785,551'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20148,710,143'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20148,198,374'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20127,858,706'Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation'20106,900,285'Fluorene-containing polymers and compounds useful in the preparation thereof'20056,825,295'Alkaryl-substituted group 4 metal complexes, catalysts and olefin polymerization process'20046,593,450'2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers'20036,528,449'Three coordinate aluminum catalyst activator composition'20036,514,632'Fluorene-containing polymers and compounds useful in the preparation thereof'20036,515,155'Substituted group 4 metal complexes, catalysts and olefin polymerization process'20036,512,083'Fluorene-containing polymers and compounds useful in the preparation thereof'20036,387,838'Activator composition comprising aluminum compound mixture'20026,362,310'Fluorene-containing polymers and compounds useful in the preparation thereof'20026,255,449'Fluorene-containing polymers and compounds useful in the preparation thereof'20016,255,447'2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers'20016,214,760'Catalyst activator composition'20016,211,111'Activator composition comprising aluminum compound mixture'20016,187,940'Three coordinate aluminum catalyst activator composition'20016,169,163'Fluorene-containing polymers and compounds useful in the preparation thereof'20015,962,631'2, 7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers'19995,929,194'Crosslinkable or chain extendable polyarylpolyamines and films thereof'19995,708,130'2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2002Patents assigned to DOW CHEMICAL CO (10)· patent assignee history
1998–2017Based in Midland, MI, US· patent location history
2003–2010Patents assigned to DOW GLOBAL TECHNOLOGIES INC (7)· patent assignee history
2012–2017Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (8)· patent assignee history
2012–2016Patents assigned to ROOF GORDON R (5)· patent assignee history
2012–2014Patents assigned to ARRIOLA DANIEL J (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 10 | 1998–2002 |
| DOW GLOBAL TECHNOLOGIES LLC | 8 | 2012–2017 |
| DOW GLOBAL TECHNOLOGIES INC | 7 | 2003–2010 |
| ROOF GORDON Rself | 5 | 2012–2016 |
| ARRIOLA DANIEL J | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 27 | 1998–2017 |