Inventor
Robert J. Sutherland
Inventor
Houston, TX, US
Overview
Patents· 13 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 bonds25%
C10MLubricating compositions19%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C08CTreatment or chemical modification of rubbers6%
C08LCompositions of macromolecular compounds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
C09JAdhesives6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
F02FCylinders, pistons or casings, for combustion engines3%
PatentTitleYear
6,083,888'Dispersant viscosity index improvers'2000H0001730'Functionalized star polymers'19985,616,542'Oil with asymmetric radial polymer having block copolymer arm'19975,496,898'Star polymers of dienes, vinylarenes and alkyl methacrylates as modified viscosity index improvers'19965,486,563'Process for making dispersant viscosity index improvers'19965,428,114'Randomly epoxidized small star polymers'19955,397,841'Grafted polymers having reactive groups at the base'19955,379,440'Parallel processor with array of clustered processing elements having inputs seperate from outputs and outputs limited to a maximum of two per dimension'19955,360,564'Dispersant viscosity index improvers'19945,344,887'Star polymers of dienes, vinylarenes and alkyl methacrylates as modiied viscosity index improvers'19945,338,802'Low temperature conversion of polymerized esters'19945,272,211'Block copolymers of dienes, vinylarenes, and alkylmethacrylates as modified viscosity index improvers'19935,247,026'Randomly epoxidized small star polymers'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2000Patents assigned to SHELL OIL CO (12)· patent assignee history
1993–2000Based in Houston, TX, US· patent location history
1995Patents assigned to MOTOROLA INC (1)· patent assignee history
1995Based in Glasgow, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHELL OIL CO | 12 | 1993–2000 |
| MOTOROLA INC | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 12 | 1993–2000 |
| Glasgow, GB | 1 | 1995 |