Inventor

Patricia M. Savu

Inventor

Maplewood, MN, US

Overview

1987–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 77 as inventor

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

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere10%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%

C07CAcyclic or carbocyclic compounds8%

C07DHeterocyclic compounds6%

C08LCompositions of macromolecular compounds6%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

Y10TTechnical subjects covered by former us classification4%

C11DDetergent compositions4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C09GPolishing compositions3%

PatentTitleYear

11,110,689Pressure sensitive adhesive composition including ultraviolet light-absorbing oligomer2021 10,577,467Fluoropolymer composition including an oligomer having an ultraviolet absorbing group2020 10,519,350Copolymer including ultraviolet light-absorbing group and compositions including the same2019 10,400,072Composite particles for curing epoxy resin compositions and curable and cured epoxy resin compositions prepared using the particles2019 10,167,356Fluorinated polymers comprising phosphonic moieties2019 10,125,251Fluoropolymer composition including at least one oligomer2018 10,017,713Fluorinated surfactant containing compositions2018 9,725,683'Surfactants and methods of making and using same'2017 9,670,300'Copolymers including ultraviolet absorbing groups and fluoropolymer compositions including them'2017 9,562,212'Surfactants and methods of making and using same'2017 9,551,936'Perfluoroalkyl sulfonamides surfactants for photoresist rinse solutions'2017 9,454,082'Surfactants and methods of making and using same'2016 8,591,764'Chemical mechanical planarization composition, system, and method of use'2013 8,176,981'Fluorinated surfactants and methods of using the same'2012 8,092,707'Compositions and methods for modifying a surface suited for semiconductor fabrication'2012 7,985,723'Fluorinated sulfonamide surfactants for aqueous cleaning solutions'2011 7,923,133'Coatings and methods for particle reduction'2011 7,893,144'Polyoxyalkylene ammonium salts and their use as antistatic agents'2011 7,811,978'Fluorinated sulfonamide surfactants for aqueous cleaning solutions'2010 7,678,941'Polyoxyalkylene ammonium salts and their use as antistatic agents'2010 7,662,896'Fluorochemical sulfonamide surfactants'2010 7,572,848'Coatable composition'2009 7,473,462'Low refractive index fluoropolymer compositions having improved coating and durability properties'2009 7,417,099'Fluorochemical sulfonamide surfactants'2008 7,294,610'Fluorinated sulfonamide surfactants for aqueous cleaning solutions'2007 7,169,323'Fluorinated surfactants for buffered acid etch solutions'2007 7,142,361'Optical material adhesive, film including optical material and projection screen including film'2006 7,101,492'Fluorinated surfactants for aqueous acid etch solutions'2006 7,050,227'Composition for microstructured screens'2006 7,041,727'Latex paint compositions and coatings'2006 7,030,067'Bis(perfluoroalkanesulfonyl)imides and their salts as surfactants/additives for applications having extreme environments and methods therefor'2006 6,894,105'Dyed fluoropolymers'2005 6,890,452'Fluorinated surfactants for aqueous acid etch solutions'2005 6,852,781'Fluorochemical sulfonamide surfactants'2005 6,664,354'Fluorochemical sulfonamide surfactants'2003 6,555,510'Bis(perfluoroalkanesulfonyl)imides and their salts as surfactants/additives for applications having extreme environments and methods therefor'2003 6,545,109'Imide salts as emulsifiers for the polymerization of fluoroolefins'2003 6,309,561'Liquid crystal compounds having a chiral fluorinated terminal portion'2001 6,303,190'Water and oil repellent masonry treatments'2001 6,248,889'Process for converting an alcohol to the corresponding fluoride'2001 6,110,976'Perfluoro (alkoxycycloalkane) carbonyl fluoride compositions and their use'2000 6,084,649'Tristable liquid crystal display device'2000 6,057,007'Tristable liquid crystal display device'2000 6,037,429'Water-soluble fluorochemical polymers for use in water and oil repellent masonry treatments'2000 6,030,547'Liquid crystal compounds having a chiral fluorinated terminal portion'2000 5,972,241'Liquid crystal compounds having a chiral fluorinated terminal portion'1999 5,928,562'Process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds'1999 5,855,812'Compounds and process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds'1999 5,844,034'Surfactants to create dispersions in fluorinated liquids'1998 5,827,348'Leaching of precious metal ore with fluoroaliphatic surfactant'1998 5,756,000'Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and their use'1998 5,702,637'Liquid crystal compounds having a chiral fluorinated terminal portion'1997 5,660,888'Surfactants to create fluoropolymer dispersions in fluorinated liquids'1997 5,658,491'Process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds'1997 5,612,431'Leaching of precious metal ore with fluoroaliphatic surfactant'1997 5,550,273'Process for preparing fluorocarbon fluoroalkanesulfonates'1996 5,532,121'Mottle reducing agent for photothermographic and thermographic elements'1996 5,532,310'Surfactants to create fluoropolymer dispersions in fluorinated liquids'1996 5,482,650'Liquid crystal compounds having perfluoroether terminal portions'1996 5,474,705'Chiral liquid crystal compounds having a perfluoroether terminal portion'1995 5,437,812'Liquid crystal compounds having perfluoroether terminal portions'1995 5,399,291'Liquid crystal compounds having a fluoroether terminal portion'1995 5,380,644'Additive for the reduction of mottle in photothermographic and thermographic elements'1995 5,354,901'Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof'1994 5,286,352'Electrochemical production of higher pentafluorosulfonyl acid fluorides'1994 5,270,378'Acrylic surfactants and compositions containing those surfactants'1993 5,262,082'Ferroelectric liquid crystal compounds having perfluoroether terminal portions'1993 5,239,026'Low loss high numerical aperture cladded optical fibers'1993 5,223,593'Fluorine containing plastic optical fiber cores'1993 5,210,282'Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof'1993 5,159,105'Higher pentafluorosulfanyl-fluoroaliphatic carbonyl and sulfonyl fluorides, and derivatives'1992 5,148,511'Low refractive index plastics for optical fiber cladding'1992 4,968,116'Polymer claddings for optical fibre waveguides'1990 4,889,656'Perfluoro(cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof'1989 4,739,103'Perfluorocycloalkane carbonyl fluorides and their derivatives'1988 4,739,112'Perfluoropolycycloalkanes'1988 4,647,413'Perfluoropolyether oligomers and polymers'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1999Patents assigned to MINNESOTA MINING & MFG (31)· patent assignee history

1987–2021Based in Maplewood, MN, US· patent location history

1988–1994Based in St. Paul, MN, US· patent location history

1993Based in Ramsey, MN, US· patent location history

1999–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (44)· patent assignee history

2005Patents assigned to 3M INNOVATIVES PROPERTIES COMP (1)· patent assignee history

2012–2017Patents assigned to SAVU PATRICIA M (4)· patent assignee history

2012–2013Patents assigned to GAGLIARDI JOHN J (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
3M INNOVATIVE PROPERTIES CO	44	1999–2021
MINNESOTA MINING & MFG	31	1987–1999
SAVU PATRICIA Mself	4	2012–2017
GAGLIARDI JOHN J	2	2012–2013
3M INNOVATIVES PROPERTIES COMP	1	2005

Locations

Location	Patents	Span
Maplewood, Minnesota, US	73	1987–2021
St. Paul, Minnesota, US	3	1988–1994
Ramsey, Minnesota, US	1	1993