Inventor

Hsien-Chang Wang

Inventor
Bellaire, TX, US

Overview

83→
Patents
1984–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 83 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds28%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds23%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
B60CVehicle tyres5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
C08JWorking-up3%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
PatentTitleYear
11,121,128Structure and method for alignment marks202110,985,724Transformer-based wideband filter with ripple reduction20217,781,530'Polymeric compositions including their uses and methods of production'20107,659,337'Elastomeric blend for air barriers comprising grafted resin components'20107,638,573'Butyl nanocomposite via low Mw elastomer pre-blend'20097,538,158'Thermoplastic elastomer composition having viscosity-enhanced and vulcanized elastomer dispersions'20097,338,688'Protective pipe and tank linings'20087,328,733'Inner tube compositions having improved heat resistance characteristics'20087,294,664'Elastomeric blend for air barriers comprising grafted resin components'20077,282,269'Cured rubber components for use with pharmaceutical devices'20077,226,962'Halogenated isobutylene-based copolymers having enhanced viscosity and thermoplastic compositions thereof'20077,119,146'Polymer blend compatibilization using isobutylene-based block copolymers II'20067,019,058'Halogenated elastomeric compositions having enhanced viscosity'20066,966,999'Oriented thermoplastic vulcanizate'20056,956,075'Halogenated elastomeric compositions having improved stability and green strength'20056,907,911'Thermoplastic blend'20056,875,813'Isobutylene-based elastomer blends'20056,843,292'Thermoplastic blend'20056,825,281'Thermoplastic compositions for halogenated elastomers'20046,626,219'Inner tube compositions having improved heat resistance characteristics'20036,624,220'Transparent and colorable elastomeric compositions'20036,590,039'Silane grafted copolymers of an alpha-olefin and a vinyl aromatic monomer'20036,552,108'Rubber blends having improved stability and green strength'20036,545,101'Star-branched polymer with dendrimer core'20036,462,131'Polymer blend compatibilization using isobutylene-based block copolymers'20026,388,018'Graft copolymers containing ionomer units'20026,380,316'Polyisobutylene copolymers having reactive silyl grafts'20026,376,598'Thermoplastic blend'20026,372,858'Solid nucleophilic reagent for conversion of benzylic halogen functionality on polymers to other functionalities'20026,346,571'Thermoplastic blend containing engineering resin'20026,326,433'Isobutylene based elastomer blends having improved strength elasticity, and reduced permeability'20016,303,691'Impact modification of polyamides'20016,300,431'Phase transfer process with catalyst recovery'20016,265,486'Triblock copolymers incorporating a styrene/isoolefin copolymer midblock'20016,228,978'Star-branched polymer with dendrimer core'20016,177,519'Silane grafted copolymers of an isomonoolefin and a vinyl aromatic monomer'20016,174,962'Free radically cured thermoplastic vulcanizates of a polyolefin and a acrylate modified paraalkylstyrene/isoolefin copolymer'20016,156,810'Solid nucleophilic reagent for conversion of benzylic halogen functionality on polymers to other functionalities'20006,140,424'Multiple component thermoplastic elastomer compositions'20006,060,549'Rubber toughened thermoplastic resin nano composites'20006,060,563'Graft copolymers containing ionomer units'20006,051,653'Metal salts of acrylic or methacrylic acid as curatives for compositions containing halogenated isomonoolefin-para-aklylstyrene copolymers'20006,013,727'Thermoplastic blend containing engineering resin'20006,011,120'Alkenyl silane functionalization of alkylstyrene homopolyers and copolymers'20006,008,282'High impact styrene/acrylonitrile polymer blend compositions'19995,959,049'Process for selective bromination of para-alkylstyrene/isoolefin copolymers'19995,910,543'Thermoplastic elastomer with polar and non-polar rubber components'19995,849,828'Metalation and functionalization of polymers and copolymers'19985,840,810'Metalation and functionalization of polymers and copolymers'19985,824,717'Peroxide and radiation curable compositions containing isobutylenene copolymers having acrylate functionality'19985,821,308'Metalation and functionalization of polymers and copolymers'19985,814,708'Process for oxidative functionalization of polymers containing alkylstyrene'19985,814,707'Process for oxidative functionalization of polymers containing alkylstyrene'19985,807,629'Tactoidal elastomer nanocomposites'19985,807,931'Process for oxidative functionalization of polymers containing alkylstyrene'19985,681,899'Impact modifier for polyamides containing an elastomer and a halogenated isoolefin copolymer7'19975,679,748'Process for oxidative functionalization of polymers containing alkylstyrene'19975,670,581'Metalation and functionalization of polymers and copolymers'19975,656,694'Interpolymer cures of blends comprising halogenated isoolefin/para-alkylstyrene elastomers and unsaturated elastomers'19975,654,379'Process for selective bromination of para-alkylstyrene/isoolefin copolymers'19975,631,316'Tire innerliner comprising ester-functionalized elastomeric interpolymers of C4-C7 isomonoolefin and para-alkylstyrene'19975,621,044'Intervulcanized elastomer blends'19975,597,866'Propylene polymer compositions having improved impact strength'19975,567,775'Craft curing of modified isomonoolefin/para-alkylstyrene copolymers'19965,548,023'Graft copolymers of para-alkylstyrene/isoolefin copolymers as blend compatibilizers'19965,548,029'Graft copolymers of para-alkylstyrene/isoolefin copolymers'19965,473,017'Intervulcanized elastomer blends'19955,453,465'Process for preparing thermoplastic compositions'19955,451,647'Living carbocationic polymerization process'19955,430,118'Para-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distribution'19955,428,099'Method to control carbon black distribution in elastomer blends'19955,426,167'Para-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distribution'19955,369,182'Impact modification of polyamides'19945,356,950'Grafted polymers of an isomonoolefin and an alkylstyrene'19945,286,804'Halogenation of star-branched butyl rubber with improved neutralization'19945,244,961'Thermoplastic compositions and process for preparing the same'19935,238,990'High modulus toughened polyamide composition'19935,182,333'Production of rubbery isoolefin polymers'19935,182,350'Ozone-resistant butyl elastomer'19935,162,445'Para-alkylstyrene/isoolefin copolymers and functionalized copolymers thereof'19925,071,913'Rubbery isoolefin polymers exhibiting improved processability'19915,013,793'Dynamically cured thermoplastic olefin polymers and process for producing the same'19914,474,924'Stabilized slurries of isoolefin polymers'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2002Based in Edison, NJ, US· patent location history
1991–2001Patents assigned to EXXON CHEMICAL PATENTS INC (44)· patent assignee history
1995–2010Based in Bellaire, TX, US· patent location history
1997–1998Patents assigned to CORNELL RES FOUNDATION INC (4)· patent assignee history
1999–2001Patents assigned to ADVANCED ELASTOMER SYSTEMS (3)· patent assignee history
2001–2010Patents assigned to EXXONMOBIL CHEM PATENTS INC (27)· patent assignee history
2001–2002Patents assigned to EXXON MOBIL CHEM PATENTS INC (5)· patent assignee history
2021Based in Hsinchu, TW· patent location history
2021Based in San Jose, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON CHEMICAL PATENTS INC441991–2001
EXXONMOBIL CHEM PATENTS INC272001–2010
EXXON MOBIL CHEM PATENTS INC52001–2002
CORNELL RES FOUNDATION INC41997–1998
ADVANCED ELASTOMER SYSTEMS31999–2001
Locations
LocationPatentsSpan
Bellaire, Texas, US601995–2010
Edison, New Jersey, US211984–2002
Hsinchu, TW12021
San Jose, California, US12021