Inventor
William B. Farnham
Inventor
Hockessin, DE, US
Overview
Patents· 66 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 bonds23%
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C08JWorking-up2%
PatentTitleYear
9,815,947'Substantially symmetrical 3-arm star block copolymers'20179,169,383'Preparation, purification and use of high-X diblock copolymers'20158,304,572'Synthesis of fluoroalcohol-substituted (meth)acrylate esters and polymers derived therefrom'20128,034,534'Fluorinated polymers for use in immersion lithography'20117,807,755'Method for removing sulfur-containing end groups'20107,696,292'Low-polydispersity photoimageable acrylic polymers, photoresists and processes for microlithography'20107,632,966'Synthesis of trithiocarbonate raft agents and intermediates thereof'20097,326,796'Fluorinated monomers, fluorinated polymers having polycyclic groups with fused 4-membered heterocyclic rings, useful as photoresists, and processes for microlithography'20087,312,287'Fluorinated polymers useful as photoresists, and processes for microlithography'20077,264,914'Fluorinated polymers having polycyclic groups with fused 4-membered carbocyclic rings, useful as photoresists, and processes for microlithography'20077,101,938'Method for forming fluorinated ionomers'20067,022,457'Photoresists with hydroxylated, photoacid-cleavable groups'20066,777,515'Functional fluorine-containing polymers and ionomers derived therefrom'20046,743,549'Nonaqueous electrolyte lithium secondary batteries'20046,713,567'Method for forming fluorinated ionomers'20046,667,377'Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups'20036,602,968'Free radical polymerization method for fluorinated copolymers'20036,583,249'Fluoromonomer polymerization'20036,538,083'Chain transfer agents in fluoroolefin polymerization'20036,486,280'Amorphous tetrafluoroethylene-hexafluoropropylene copolymers'20026,399,729'Fluoromonomer polymerization'20026,351,953'Container with integral module for heating or cooling the contents and method for its manufacture'20026,287,722'Continuous melt process for fabricating ionically conductive articles'20016,266,879'Container with integral module for heating or cooling the contents and method for its manufacture'20016,146,040'Apparatus and process for cleaning articles such as baby bottles'20006,140,436'Fluorinated ionomers and their uses'20006,133,389'Amorphous tetrafluoroethylene-hexafluoropropylene copolymers'20006,025,092'Fluorinated ionomers and their uses'20005,969,074'Reaction of perfluoroolefins with Bis (Silyl) ethers to produce fluorinated compounds'1999D0404839'Flashlight'19995,760,282'Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein'19985,670,679'Process for the manufacturing of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein'19975,639,837'Process for making fluoropolymers'19975,637,663'Amorphous tetrafluoroethylene-hexafluoropropylene copolymers'19975,563,235'Process for making fluorinated aldehydes'19965,545,769'Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein'19965,512,652'Fluorinated aldehyde containing polymers'19965,457,215'Reaction of perfluoroolefins with bis(silyl) ethers to produce fluorinated compounds'19955,414,140'Process for making fluorinated aldehydes'19955,391,796'Production of trifluorovinyl ethers'19955,347,058'Process for the production of fluorinated olefins'19945,286,825'Partially fluorinated compounds and polymers'19945,268,511'Production of trifluorovinyl ethers'19935,243,025'Reaction of perfluoroolefins with bis(silyl) ethers to produce fluorinated compounds'19935,233,058'Partially fluorinated compounds and polymers'19935,210,233'Cyclic perfluoropolyether'19935,185,421'Fluorinated hydroxy-containing macromonomers'19935,171,893'Process for producing fluorinated organic compounds'19925,134,211'Hydroxy containing fluorovinyl compounds and polymers thereof'19925,093,512'Process for producing fluorinated organic compounds'19924,728,706'Titanium, zirconium- and hafnium containing initiators in the polymerization of acrylic monomers to \"living\" polymers'19884,723,990'Herbicidal sulfonamides'19884,632,967'Nonhygroscopic, anionic pentacoordinate silicate'19864,628,094'Tris(disubstituted amino)sulfonium perfluoroalkoxides and perfluoroalkylmercaptides and process for their preparation'19864,621,125'Tris(disubstituted amino)sulfonium perfluoroalkoxides and -perfluoroalkylmercaptides and process for their preparation'19864,598,161'Tris(dialkylamino)sulfonium bifluoride catalysts'19864,588,795'Oxyanion-catalyzed polymerization'19864,586,952'Herbicidal sulfonamides'19864,581,428'Process for preparing \"living\" polymers using tetracoordinate organosilicon, organotin or organogermanium polymerization initiator with bifluoride ion source co-catalyst'19864,577,003'Pentacoordinate silyl enolates and their use as polymerization initiators'19864,528,389'Pentacoordinate silyl enolates and their use as polymerization initiators'19854,524,196'Process for preparing \"living\" polymers'19854,486,589'Herbicidal N-(heterocyclicaminocarbonyl)-ortho-haloalkylbenzenesulfonamides'19844,447,628'Nonhygroscopic, anionic pentacoordinate silicate'19844,414,372'Process for preparing living polymers'19834,147,860'Process for preparing nitroaromatic glycosides'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2017Patents assigned to DU PONT (59)· patent assignee history
1979–1999Based in Wilmington, DE, US· patent location history
1992–2017Based in Hockessin, DE, US· patent location history
1999–2002Based in San Pedro, CA, US· patent location history
2000Patents assigned to MUNCHKIN INC (1)· patent assignee history
2001Patents assigned to ONTRO INC (1)· patent assignee history
2003Based in Newark, DE, US· patent location history
2010Patents assigned to COMMW SCIENT IND RES ORG (2)· patent assignee history
2012Patents assigned to FARNHAM WILLIAM BROWN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 59 | 1979–2017 |
| COMMW SCIENT IND RES ORG | 2 | 2010 |
| FARNHAM WILLIAM BROWNself | 1 | 2012 |
| MUNCHKIN INC | 1 | 2000 |
| ONTRO INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hockessin, Delaware, US | 40 | 1992–2017 |
| Wilmington, Delaware, US | 21 | 1979–1999 |
| San Pedro, California, US | 4 | 1999–2002 |
| Newark, Delaware, US | 1 | 2003 |