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Inventor

Demetreos N. Matthews

Inventor
Ewing, NJ, US

Overview

41→
Patents
1979–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 41 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 bonds32%
C08LCompositions of macromolecular compounds18%
C10LFuels not otherwise provided for10%
C10MLubricating compositions10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C07CAcyclic or carbocyclic compounds8%
C08CTreatment or chemical modification of rubbers4%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C09JAdhesives2%
PatentTitleYear
6,319,881'Haze free oil additive compositions containing dispersants from selectively hydrogenated diene copolymers'20016,312,672'Sunscreen compositions containing copolymers of isoprene butadiene and/or styrene to provide improved water resistance'20016,248,702'Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers'20016,215,033'Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: blends with lower molecular weight components'20016,162,768'Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: free radically initiated direct grafting reaction products'20006,103,676'Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products'20006,054,539'Selectively hydrogenated polymer compositions: polybutadiene-isoprene-polybutadiene'20006,034,184'Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: Mannich reaction products'20005,948,861'Star-branched block elastomeric copolymers'19995,773,524'Epoxidized liquid elastomeric copolymers'19985,747,598'Epoxidized solid elastomeric copolymers'19985,717,035'Solid block and random elastomeric copolymers'19985,663,239'Star-branched block elastomeric copolymers'19975,625,100'Vulcanizable liquid compositions'19975,569,718'Solid elastomeric block copolymers'19965,545,783'Vulcanizable liquid compositions'19965,530,068'Solid elastometric block copolymers'19965,527,951'Polymerization catalyst and process'19965,510,548'Vulcanizable liquid compositions'19965,470,914'Polymer blends containing a solid elastomeric block copolymer'19955,457,161'Solid block elastomeric copolymers comprising at least three alternating blocks'19955,416,163'Polymer blends containing a solid elastomeric block copolymer'19955,399,629'Solid elastomeric block copolymers'19955,387,730'Vulcanizable liquid compositions'19955,376,722'Solid random elastomeric copolymers'19945,359,009'Method for making solid elastomeric block copolymers'19945,352,743'Solid elastomeric block copolymers'19945,306,780'Solid block elastomeric copolymers'19945,292,820'Solid elastomeric block copolymers'19945,288,937'Vulcanizable liquid compositions'19945,276,100'Solid elastomeric block copolymers'19945,268,427'Solid block and random elastomeric copolymers'19935,210,359'Vulcanizable liquid compositions'19935,187,236'Solid block and random elastomeric copolymers'19935,149,895'Vulcanizable liquid compositions'19924,668,834'Low molecular weight ethylene-alphaolefin copolymer intermediates'19874,491,652'Sequentially prepared thermoplastic elastomer and method of preparing same'19854,451,575'Activators for Ziegler type polymerization catalysts using bis(trichloromethyl) sulfone'19844,347,159'Activators for Ziegler type polymerization catalysts'19824,239,862'Thermoplastic elastomer containing long chain aliphatic alcohol'19804,143,029'Flame retarded polyurethane compositions'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1985Patents assigned to UNIROYAL INC (5)· patent assignee history
1979–1996Based in Bethany, CT, US· patent location history
1987–1996Patents assigned to UNIROYAL CHEM CO INC (2)· patent assignee history
1992–2001Patents assigned to MOBIL OIL CORP (31)· patent assignee history
1992–1999Based in Ewing, NJ, US· patent location history
1998Based in North Edison, NJ, US· patent location history
2000–2001Based in Edison, NJ, US· patent location history
2001Patents assigned to EXXON MOBIL CHEM PATENTS INC (1)· patent assignee history
2001Patents assigned to EXXONMOBIL OIL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOBIL OIL CORP311992–2001
UNIROYAL INC51979–1985
UNIROYAL CHEM CO INC21987–1996
EXXON MOBIL CHEM PATENTS INC12001
EXXONMOBIL OIL CORP12001
Locations
LocationPatentsSpan
Ewing, New Jersey, US251992–1999
Edison, New Jersey, US82000–2001
Bethany, CT, US71979–1996
North Edison, New Jersey, US11998