Inventor

Maria M. Kapuscinski

Inventor

Carmel, NY, US

Overview

1987–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 34 as inventor

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

C10Mprimary

C10MLubricating compositions37%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions29%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds27%

C10LFuels not otherwise provided for7%

PatentTitleYear

5,942,471'Dispersant and antioxidant VI improvers based on olefin copolymers containing phenothiazine and aromatic amine groups'1999 5,534,171'Process for making a polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof'1996 5,520,829'Lubricating oil containing dispersant viscosity index improver'1996 5,474,693'Modifiers for improving clarity of multifunctional VI improver oil compositions'1995 5,472,627'Polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof'1995 5,424,366'Multifunctional viscosity index improver containing phenothiazine'1995 5,374,364'Multifunction viscosity index improvers'1994 5,356,999'Multifunctional viscosity index improvers based on polymers containing sulfonamides'1994 5,275,746'Multifunctional viscosity index improver containing phenothiazine'1994 5,200,100'Multifunctional viscosity index improver containing phenothiazine'1993 5,162,086'Dispersant additive and lubricating oil composition containing same'1992 5,160,446'Dispersant, VI improver and antioxidant additive, and lubricating oil composition containing same'1992 5,135,671'Multifunctional viscosity index improver containing units from unsaturated chlorides and aromatic amines'1992 5,094,765'Lubricating oil composition'1992 5,094,766'Dispersant-antioxidant viscosity index improver'1992 5,021,177'Dispersant-antioxidant multifunctional viscosity index improver'1991 4,952,637'Hydrocarbon compositions containing polyolefin graft polymers'1990 4,948,524'Dispersant anti-oxidant VI improver and lubricating oil composition containing same'1990 4,941,985'Dispersant/antioxidant VII lubricant additive'1990 4,904,404'Lubricating oil containing viscosity index improver'1990 4,886,611'Hydrocarbon compositions containing polyolefin graft polymers'1989 4,877,415'Hydrocarbon compositions containing polyolefin graft polymers'1989 4,842,756'Multifunctional viscosity index improver'1989 4,836,943'Anti-oxidant system'1989 4,820,776'Hydrocarbon compositions containing polyolefin graft polymers having amine and phenothiazine grafted moieties'1989 4,816,172'Clear high-performance multifunction VI improvers'1989 4,812,261'Lubricating oil containing viscosity index improver'1989 4,798,678'Hydrocarbon containing anti-oxidant system'1989 4,795,577'Lubricating oil containing dispersant viscosity index improver'1989 4,790,948'Lubricating oil containing dispersant viscosity index improver'1988 4,767,553'Lubricating oil containing dispersant viscosity index improver'1988 4,764,304'Hydrocarbon compositions containing polyolefin graft polymers'1988 4,699,723'Dispersant-antioxidant multifunction viscosity index improver'1987 4,640,788'Hydrocarbon compositions containing polyolefin graft polymers'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1996Patents assigned to TEXACO INC (32)· patent assignee history

1987–1999Based in Carmel, NY, US· patent location history

1996Patents assigned to DSM COPOLYMER INC (1)· patent assignee history

1999Patents assigned to ETHYL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXACO INC	32	1987–1996
DSM COPOLYMER INC	1	1996
ETHYL CORP	1	1999

Locations

Location	Patents	Span
Carmel, New York, US	34	1987–1999