Inventor · disambiguated record
Kou-Chang Liu
Also filed as: HOWE ROBERT K · LIU KOU-CHANG
82 granted patents·5 pending applications·876 citations·filing 1978–2009
99Inventor score
Top patents by PatentIndex Score
87 records- 0196US6432270B1Soft absorbent tissueKIMBERLY CLARK CO·Filed 2001·Granted Aug 13, 2002·133 cites·23 claims
- 0291US7588662B2Tissue products containing non-fibrous polymeric surface structures and a topically-applied softening compositionKIMBERLY CLARK CO·Filed 2007·Granted Sep 15, 2009·15 cites·8 claims
- 0389US4873336AProcess for the preparation of N-vinyl lactamsGAF CORP·Filed 1988·Granted Oct 10, 1989·24 cites·16 claims
- 0486US5095134AThermochromic diacetylene ethers containing ester or urethane groupsISP INVESTMENTS INC·Filed 1990·Granted Mar 10, 1992·25 cites·9 claims
- 0586US4720578APreparation of fluorinated carboxypropylated non-ionic surfactantsGAF CORP·Filed 1986·Granted Jan 19, 1988·21 cites·14 claims
- 0685US6514383B1Soft absorbent tissue containing derivitized amino-functional polysiloxanesKIMBERLY CLARK CO·Filed 2001·Granted Feb 4, 2003·31 cites·25 claims
- 0785US5153106ADirect color imaging with laser in a writing modeISP INVESTMENTS INC·Filed 1991·Granted Oct 6, 1992·36 cites·11 claims
- 0885US5149617AImageable diacetylene ethersISP INVESTMENTS INC·Filed 1991·Granted Sep 22, 1992·45 cites·9 claims
- 0983US7470345B2Rolled paper product having high bulk and softnessKIMBERLY CLARK CO·Filed 2003·Granted Dec 30, 2008·19 cites·24 claims
- 1083US6599394B1Soft absorbent tissue treated with a chemical compositionKIMBERLY CLARK CO·Filed 2002·Granted Jul 29, 2003·25 cites·15 claims
- 1183US6511580B1Soft absorbent tissue containing derivitized amino-functional polysiloxanesKIMBERLY CLARK CO·Filed 2001·Granted Jan 28, 2003·21 cites·32 claims
- 1283US6193961B1Personal care composition containing a homogeneous terpolymer of an n-vinyl lactam and a polysiloxaneISP INVESTMENTS INC·Filed 2000·Granted Feb 27, 2001·13 cites·14 claims
- 1382US4429146ASubstituted diphenyl ether herbicides and process for useGAF CORP·Filed 1982·Granted Jan 31, 1984·14 cites·21 claims
- 1481US7101460B2Soft paper product including beneficial agentsKIMBERLY CLARK CO·Filed 2005·Granted Sep 5, 2006·4 cites·43 claims
- 1581US6582558B1Soft absorbent tissue containing hydrophilic polysiloxanesKIMBERLY CLARK CO·Filed 2001·Granted Jun 24, 2003·18 cites·34 claims
- 1678US6599393B1Soft absorbent tissue containing hydrophilically-modified amino-functional polysiloxanesKIMBERLY CLARK CO·Filed 2001·Granted Jul 29, 2003·14 cites·35 claims
- 1776US7186318B2Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent propertiesKIMBERLY CLARK CO·Filed 2003·Granted Mar 6, 2007·10 cites·31 claims
- 1875US7625462B2Tissue products containing triggerable polymeric bonding agentsKIMBERLY CLARK CO·Filed 2006·Granted Dec 1, 2009·2 cites·10 claims
- 1975US7396593B2Single ply tissue products surface treated with a softening agentKIMBERLY CLARK CO·Filed 2003·Granted Jul 8, 2008·15 cites·46 claims
- 2074US6576087B1Soft absorbent tissue containing polysiloxanesKIMBERLY CLARK CO·Filed 2001·Granted Jun 10, 2003·11 cites·30 claims
- 2173US5183946AVinyloxy hydroxyalkylcycloalkane and preparation thereforISP INVESTMENTS INC·Filed 1992·Granted Feb 2, 1993·12 cites·10 claims
- 2272US8778386B2Anti-microbial substrates with peroxide treatmentLIU KOU-CHANG·Filed 2007·Granted Jul 15, 2014·1 cites·19 claims
- 2372US6949168B2Soft paper product including beneficial agentsKIMBERLY CLARK CO·Filed 2002·Granted Sep 27, 2005·7 cites·28 claims
- 2472US6805965B2Method for the application of hydrophobic chemicals to tissue websKIMBERLY CLARK CO·Filed 2001·Granted Oct 19, 2004·8 cites·53 claims
- 2569US6207778B1Conditioning/styling terpolymersISP INVESTMENTS INC·Filed 1999·Granted Mar 27, 2001·32 cites·12 claims
- 2669US4824967AProcess for the preparation of 2-pyrrolidoneGAF CORP·Filed 1988·Granted Apr 25, 1989·21 cites·15 claims
- 2768US6977026B2Method for applying softening compositions to a tissue productKIMBERLY CLARK CO·Filed 2002·Granted Dec 20, 2005·9 cites·38 claims
- 2867US2010143584A1Method of Making Soft and Absorbent Tissue ProductsLIU KOU-CHANG·Filed 2009·Application pending·0 cites
- 2965US5997855APersonal care composition containing a clear homogeneous polymer of an N-vinyl lactamISP INVESTMENTS INC·Filed 1998·Granted Dec 7, 1999·18 cites·10 claims
- 3065US5830964AVinyl pyrrolidone polymers substantially free of vinyl lactam monomersISP INVESTMENTS INC·Filed 1997·Granted Nov 3, 1998·21 cites·17 claims
- 3165US5215869AProcess of forming a permanent yellow imaged light modulating filmISP INVESTMENTS INC·Filed 1992·Granted Jun 1, 1993·13 cites·3 claims
- 3262US5106885ARadiation curable compositions containing multifunctional vinyl ether monomers and protective coatings formed therefromISP INVESTMENTS INC·Filed 1989·Granted Apr 21, 1992·16 cites·10 claims
- 3358US7897015B2Single ply tissue products surface treated with a softening agentKIMBERLY CLARK CO·Filed 2008·Granted Mar 1, 2011·2 cites·18 claims
- 3456US5139927APermanent yellow imaged light modulating filmISP INVESTMENTS INC·Filed 1990·Granted Aug 18, 1992·12 cites·3 claims
- 3556US5095154ATrivinyl ether of 1,1,1-tris(hydroxymethyl) ethaneISP INVESTMENTS INC·Filed 1990·Granted Mar 10, 1992·5 cites·1 claims
- 3656US5012011AFluorinated vinyl etherGAF CHEMICALS CORP·Filed 1989·Granted Apr 30, 1991·9 cites·5 claims
- 3756US4209629A3'-(Substituted phenyl)-spiro[isobenzofuran-1(3H),5'(4'H)-isoxazol]-3-onesMONSANTO CO·Filed 1978·Granted Jun 24, 1980·2 cites·16 claims
- 3855US5609865ASubstantially homogeneous copolymers of vinyl pyrrolidone and N-3,3-dimethylaminopropyl methacrylamide for personal care applicationsISP INVESTMENTS INC·Filed 1994·Granted Mar 11, 1997·8 cites·6 claims
- 3955US4954582ABenzyloxy vinyl ethersGAF CHEMICALS CORP·Filed 1989·Granted Sep 4, 1990·4 cites·7 claims
- 4054US4435588AHerbicidal compounds, compositions, and method of useGAF CORP·Filed 1981·Granted Mar 6, 1984·3 cites·32 claims
- 4154US2008099168A1Soft and absorbent tissue productsLIU KOU-CHANG·Filed 2006·Application pending·0 cites
- 4253US5626836ALow VOC hair spray compositions containing terpolymers of vinyl pyrrolidone, vinyl caprolactam and 3-(N-dimethylaminopropyl) methacrylamideISP INVESTMENTS INC·Filed 1994·Granted May 6, 1997·17 cites·17 claims
- 4353US5147946AVinyl ether siloxane copolymeric compositionISP INVESTMENTS INC·Filed 1991·Granted Sep 15, 1992·9 cites·8 claims
- 4453US4197405AThermolysis of 3'-(Aryl)-spiro[isobenzofuran-1(3H),5'(4'H)-isoxazol]-3-oneMONSANTO CO·Filed 1979·Granted Apr 8, 1980·2 cites·7 claims
- 4553US2007083018A1Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent propertiesLIU KOU-CHANG·Filed 2006·Application pending·0 cites
- 4652US5215870AProcess of forming a permanent yellow imaged light modulating filmISP INVESTMENTS INC·Filed 1992·Granted Jun 1, 1993·10 cites·11 claims
- 4752US4543426AHerbicidal compoundsGAF CORP·Filed 1984·Granted Sep 24, 1985·2 cites·6 claims
- 4852US4364768A3'-(Substituted phenyl)-spiro[isobenzofuran-1(3H),5'(4'H)-isoxazol]-3-ones and their use as plant growth regulantsMONSANTO CO·Filed 1980·Granted Dec 21, 1982·2 cites·22 claims
- 4951US5916544ASunscreen concentrateISP INVESTMENTS INC·Filed 1997·Granted Jun 29, 1999·16 cites·16 claims
- 5051US4568382AHerbicidal compounds, compositions, and method of useGAF CORP·Filed 1983·Granted Feb 4, 1986·2 cites·1 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kou-Chang Liu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →