Inventor
HSIEH HENRY L
US70 patents
⚠️ This page may combine multiple inventors who share the name “HSIEH HENRY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
49 patentsUS5382371AJan 17, 1995
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO105 citations96
US5080809AJan 14, 1992
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO110 citations96
US5075399ADec 24, 1991
Superabsorbent crosslinked ampholytic ion pair copolymers
PHILLIPS PETROLEUM CO60 citations96
US4341672AJul 27, 1982
Sulfur or peroxy cured epoxidized diene rubbers
PHILLIPS PETROLEUM CO61 citations96
US4051199ASep 27, 1977
Epoxidized copolymers of styrene, butadiene and isoprene
PHILLIPS PETROLEUM CO66 citations96
US6030928AFeb 29, 2000
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO76 citations95
US4951921AAug 28, 1990
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO71 citations95
US4575538AMar 11, 1986
Olefin polymerization
PHILLIPS PETROLEUM CO88 citations95
US5186257AFeb 16, 1993
Polymers useful in the recovery and processing of natural resources
PHILLIPS PETROLEUM CO75 citations94
US5439983AAug 8, 1995
Grafted copolymers highly absorbent to aqueous electrolyte solutions
PHILLIPS PETROLEUM CO21 citations93
US5290871AMar 1, 1994
Grafted copolymers highly absorbent to aqueous electrolyte solutions
PHILLIPS PETROLEUM CO21 citations93
US5270382ADec 14, 1993
Compositions and applications thereof of water-soluble copolymers comprising an ampholytic imidazolium inner salt
PHILLIPS PETROLEUM CO30 citations93
US5250642AOct 5, 1993
Copolymers of ampholytic ion pairs containing vinylic tertiary amine and olefinic comonomers
PHILLIPS PETROLEUM CO26 citations93
US5098970AMar 24, 1992
Superabsorbent crosslinked ampholytic ion pair copolymers
PHILLIPS PETROLEUM CO29 citations93
US5066739ANov 19, 1991
Olefin polymerization with cyclopentadienyl lanthanidealkyl of hydride in presence of hydrogen
PHILLIPS PETROLEUM CO31 citations93
US4135037AJan 16, 1979
Adhesives and laminates
PHILLIPS PETROLEUM CO47 citations93
US4020251AApr 26, 1977
1,3-Cyclodiene-acyclic conjugated diene copolymers
PHILLIPS PETROLEUM CO38 citations93
US4699962AOct 13, 1987
Olefin polymerization
PHILLIPS PETROLEUM CO30 citations92
US5294691AMar 15, 1994
Copolymers of amphytic ion pairs containing vinylic tertiary amine and process therewith
PHILLIPS PETROLEUM CO16 citations82
US5216098AJun 1, 1993
Superabsorbent crosslinked ampholytic ion pair copolymers
PHILLIPS PETROLEUM CO20 citations82
US5109085AApr 28, 1992
Olefin polymerization process
PHILLIPS PETROLEUM CO21 citations82
US4223116ASep 16, 1980
Conjugated diene polymerization process and catalyst
PHILLIPS PETROLEUM CO20 citations82
US4131653ADec 26, 1978
Epoxidized block copolymers
PHILLIPS PETROLEUM CO25 citations82
US4603171AJul 29, 1986
Block copolymers containing polymerized lactone segments
PHILLIPS PETROLEUM CO20 citations76
US5829527ANov 3, 1998
Compositions and applications thereof of water-soluble copolymers comprising an ampholytic imidazolium inner salt
PHILLIPS PETROLEUM CO10 citations74
US5354806AOct 11, 1994
Superabsorbent crosslinked ampholytic ion pair copolymers
PHILLIPS PETROLEUM CO10 citations74
US5334685AAug 2, 1994
Grafted copolymers highly absorbent to aqueous electrolyte solutions
PHILLIPS PETROLEUM CO7 citations74
US5331021AJul 19, 1994
Grafted copolymers highly absorbent to aqueous electrolyte solutions used in diapers and paper towels
PHILLIPS PETROLEUM CO12 citations74
US5326854AJul 5, 1994
Flocculation process using lactam or vinyl sulfonate polymer
PHILLIPS PETROLEUM CO9 citations74
US5286694AFeb 15, 1994
Lanthanide halide catalyst, method of producing the catalyst, and polymerization process employing the catalyst
PHILLIPS PETROLEUM CO9 citations74
US5281673AJan 25, 1994
Superabsorbent polymers
PHILLIPS PETROLEUM CO7 citations74
US5252690AOct 12, 1993
Superabsorbent polymers
PHILLIPS PETROLEUM CO7 citations74
US5243008ASep 7, 1993
Grafted copolymers highly absorbent to aqueous electrolyte solutions
PHILLIPS PETROLEUM CO11 citations74
US5239002AAug 24, 1993
Polymeric adhesive and anti-corrosion agents
PHILLIPS PETROLEUM CO13 citations74
US5225506AJul 6, 1993
Superabsorbent polymers
PHILLIPS PETROLEUM CO9 citations74
US5214117AMay 25, 1993
Grafted copolymers highly absorbent to aqueous electrolyte solutions
PHILLIPS PETROLEUM CO6 citations74
US5130389AJul 14, 1992
Superabsorbent crosslinked ampholytic ion pair copolymers containing 2-methacryloyloxyethyldimethylammonium
PHILLIPS PETROLEUM CO14 citations74
US5116921AMay 26, 1992
Superabsorbent crosslinked ampholytic ion pair copolymers
PHILLIPS PETROLEUM CO19 citations74
US5028673AJul 2, 1991
Olefin polymerization
PHILLIPS PETROLEUM CO10 citations74
US4239806ADec 16, 1980
Laminates
PHILLIPS PETROLEUM CO8 citations74
US4237246ADec 2, 1980
Copolymers of 1,3-cyclodienes, monovinylaromatic compounds and polyvinylaromatic hydrocarbons
PHILLIPS PETROLEUM CO11 citations74
US4179480ADec 18, 1979
Blends of cyclodiene-containing copolymers and block copolymers having improved high temperature green tensile strength
PHILLIPS PETROLEUM CO14 citations74
US4138536AFeb 6, 1979
Polymerization of 1,3-cyclodiene with vinylaromatic hydrocarbon
PHILLIPS PETROLEUM CO19 citations74
US4136137AJan 23, 1979
Block copolymers
PHILLIPS PETROLEUM CO12 citations74
US4127710ANov 28, 1978
Copolymerization of a 1,3-cyclodiene and a linear conjugated diene
PHILLIPS PETROLEUM CO15 citations74
US4076914AFeb 28, 1978
Treatment of coupled polymers prior to hydrogenation
PHILLIPS PETROLEUM CO7 citations74
US4791086ADec 13, 1988
Olefin polymerization
PHILLIPS PETROLEUM CO13 citations73
US4556647ADec 3, 1985
Olefin polymerization
PHILLIPS PETROLEUM CO14 citations73
US4544718AOct 1, 1985
Olefin polymerization
PHILLIPS PETROLEUM CO12 citations73
PETTIJOHN TED M
1 patentShowing the top 50 of 70 patents by PatentIndex Score.