Inventor
Weiming Qiu
Inventor
Wilmington, DE, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
Y10TTechnical subjects covered by former us classification8%
C08LCompositions of macromolecular compounds7%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C11DDetergent compositions2%
PatentTitleYear
11,121,573Low-profile power converter202110,614,964Multi-solvent perovskite composition20209,028,727'Dielectric fluids comprising polyol esters'20158,628,682'Compositions comprising a fluorosurfactant and a hydrotrope'20148,389,657'Poly(meth)acrylamides and poly(meth)acrylates containing flourinated amide'20138,318,877'Ethylene tetrafluoroethylene (meth)acrylate copolymers'20128,212,064'Ethylene tetrafluoroethylene intermediates'20128,178,638'Poly(meth)acrylamides and poly(meth)acrylates containing fluorinated amide'20128,128,711'Fluoropolymer compositions and treated substrates'20128,058,375'Use of ethylene-tetrafluoroethylene carboxylic acids and salts as surfactants for aqueous emulsion polymerization of fluorinated monomer'20118,049,040'Ethylene-tetrafluoroethylene phosphate composition'20117,968,669'Fluoropolymer compositions and treated substrates'20117,754,838'Poly(meth)acrylamides and poly(meth)acrylates containing fluorinated amide'20107,638,650'Fluoroalkyl surfactants'20097,531,689'Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives'20097,493,743'Packages for alkanes having ultra-high transparency at 193 nm'20097,438,995'Use of partially fluorinated polymers in applications requiring transparency in the ultraviolet and vacuum ultraviolet'20087,435,528'Processes and devices using polycyclic fluoroalkanes in vacuum and deep ultraviolet applications'20087,301,059'Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives'20077,084,314'Polycyclic fluoroalkanes'20067,078,575'Processes for preparing high purity polycyclic fluoroalkanes'20067,071,365'3-alkylated-5,5′,6,6′, 7, 7′, 8, 8′—octahydro-2, 2′-binaphthols and 3, 3′-dialkylated- 5, 5′, 6, 6′, 7, 7′, 8, 8′-octahydro—2, 2′-binaphthols and processes for making'20067,022,457'Photoresists with hydroxylated, photoacid-cleavable groups'20066,984,604'Supported bis(phosphorus) ligands and their use in the catalysis'20066,486,280'Amorphous tetrafluoroethylene-hexafluoropropylene copolymers'20026,376,705'Manufacture of 3,3,4,4-tetrahydroperfluoroalkanoates'20026,133,389'Amorphous tetrafluoroethylene-hexafluoropropylene copolymers'20006,077,979'Manufacture of 3,3\',5,5\'-tetramethyl-2,2\'-biphenol'20006,054,615'Fluorinated quaternary ammonium salts'20005,637,663'Amorphous tetrafluoroethylene-hexafluoropropylene copolymers'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2015Patents assigned to DU PONT (26)· patent assignee history
1997–2015Based in Wilmington, DE, US· patent location history
2006Patents assigned to INVISTA NORTH AMERICA SARL (2)· patent assignee history
2011–2015Patents assigned to QIU WEIMING (8)· patent assignee history
2012–2014Patents assigned to RAGHAVANPILLAI ANILKUMAR (4)· patent assignee history
2020Based in Leuven, BE· patent location history
2021Patents assigned to APPLE INC (1)· patent assignee history
2021Based in San Ramon, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 26 | 1997–2015 |
| QIU WEIMINGself | 8 | 2011–2015 |
| RAGHAVANPILLAI ANILKUMAR | 4 | 2012–2014 |
| INVISTA NORTH AMERICA SARL | 2 | 2006 |
| APPLE INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilmington, Delaware, US | 28 | 1997–2015 |
| San Ramon, California, US | 1 | 2021 |
| Leuven, BE | 1 | 2020 |