Inventor
LIU KOU-CHANG
US82 patents
⚠️ This page may combine multiple inventors who share the name “LIU KOU-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISP INVESTMENTS INC
28 patentsUS5153106AOct 6, 1992
Direct color imaging with laser in a writing mode
ISP INVESTMENTS INC36 citations93
US5149617ASep 22, 1992
Imageable diacetylene ethers
ISP INVESTMENTS INC45 citations93
US5095134AMar 10, 1992
Thermochromic diacetylene ethers containing ester or urethane groups
ISP INVESTMENTS INC25 citations93
US6207778B1Mar 27, 2001
Conditioning/styling terpolymers
ISP INVESTMENTS INC32 citations91
US5830964ANov 3, 1998
Vinyl pyrrolidone polymers substantially free of vinyl lactam monomers
ISP INVESTMENTS INC21 citations90
US5997855ADec 7, 1999
Personal care composition containing a clear homogeneous polymer of an N-vinyl lactam
ISP INVESTMENTS INC18 citations84
US6193961B1Feb 27, 2001
Personal care composition containing a homogeneous terpolymer of an n-vinyl lactam and a polysiloxane
ISP INVESTMENTS INC13 citations74
US5215870AJun 1, 1993
Process of forming a permanent yellow imaged light modulating film
ISP INVESTMENTS INC10 citations74
US5215869AJun 1, 1993
Process of forming a permanent yellow imaged light modulating film
ISP INVESTMENTS INC13 citations74
US5183946AFeb 2, 1993
Vinyloxy hydroxyalkylcycloalkane and preparation therefor
ISP INVESTMENTS INC12 citations74
US5156897AOct 20, 1992
Aromatic vinyl ether siloxanes
ISP INVESTMENTS INC9 citations74
US5149616ASep 22, 1992
Processless imaging to maximize blue light absorption of an image
ISP INVESTMENTS INC7 citations74
US5147946ASep 15, 1992
Vinyl ether siloxane copolymeric composition
ISP INVESTMENTS INC9 citations74
US5139927AAug 18, 1992
Permanent yellow imaged light modulating film
ISP INVESTMENTS INC12 citations74
US5139926AAug 18, 1992
Permanent yellow imaged light modulating film
ISP INVESTMENTS INC6 citations74
US5106885AApr 21, 1992
Radiation curable compositions containing multifunctional vinyl ether monomers and protective coatings formed therefrom
ISP INVESTMENTS INC16 citations74
US5096783AMar 17, 1992
Substrate coated with epoxy vinyl ether
ISP INVESTMENTS INC7 citations74
US5626836AMay 6, 1997
Low VOC hair spray compositions containing terpolymers of vinyl pyrrolidone, vinyl caprolactam and 3-(N-dimethylaminopropyl) methacrylamide
ISP INVESTMENTS INC17 citations73
US5603919AFeb 18, 1997
Low VOC hair spray fixative compositions containing a tetramer
ISP INVESTMENTS INC12 citations73
US5492988AFeb 20, 1996
Homogeneous polymerization process for making substantially homogeneous terpolymers of vinyl pyrrolidone, an organic quarternary ammonium monomer and a hydrophobic monomer
ISP INVESTMENTS INC9 citations73
US5609865AMar 11, 1997
Substantially homogeneous copolymers of vinyl pyrrolidone and N-3,3-dimethylaminopropyl methacrylamide for personal care applications
ISP INVESTMENTS INC8 citations72
US5916544AJun 29, 1999
Sunscreen concentrate
ISP INVESTMENTS INC16 citations66
US5158862AOct 27, 1992
Processless imaging to maximize blue light absorption of an image
ISP INVESTMENTS INC5 citations63
US5158811AOct 27, 1992
Divinyl ether siloxanes
ISP INVESTMENTS INC3 citations63
US5153292AOct 6, 1992
Divinyl ether siloxanes
ISP INVESTMENTS INC2 citations63
US5147727ASep 15, 1992
Aryloxy polyvinyl ethers
ISP INVESTMENTS INC2 citations63
US5095154AMar 10, 1992
Trivinyl ether of 1,1,1-tris(hydroxymethyl) ethane
ISP INVESTMENTS INC5 citations63
US5082874AJan 21, 1992
Aryloxy polyvinyl ethers
ISP INVESTMENTS INC2 citations63
KIMBERLY CLARK CO
15 patentsUS6432270B1Aug 13, 2002
Soft absorbent tissue
KIMBERLY CLARK CO133 citations95
US6511580B1Jan 28, 2003
Soft absorbent tissue containing derivitized amino-functional polysiloxanes
KIMBERLY CLARK CO21 citations93
US6599394B1Jul 29, 2003
Soft absorbent tissue treated with a chemical composition
KIMBERLY CLARK CO25 citations90
US6514383B1Feb 4, 2003
Soft absorbent tissue containing derivitized amino-functional polysiloxanes
KIMBERLY CLARK CO31 citations90
US7470345B2Dec 30, 2008
Rolled paper product having high bulk and softness
KIMBERLY CLARK CO19 citations88
US7396593B2Jul 8, 2008
Single ply tissue products surface treated with a softening agent
KIMBERLY CLARK CO15 citations87
US6599393B1Jul 29, 2003
Soft absorbent tissue containing hydrophilically-modified amino-functional polysiloxanes
KIMBERLY CLARK CO14 citations84
US6582558B1Jun 24, 2003
Soft absorbent tissue containing hydrophilic polysiloxanes
KIMBERLY CLARK CO18 citations84
US7186318B2Mar 6, 2007
Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent properties
KIMBERLY CLARK CO10 citations83
US7588662B2Sep 15, 2009
Tissue products containing non-fibrous polymeric surface structures and a topically-applied softening composition
KIMBERLY CLARK CO15 citations81
US6805965B2Oct 19, 2004
Method for the application of hydrophobic chemicals to tissue webs
KIMBERLY CLARK CO8 citations74
US6576087B1Jun 10, 2003
Soft absorbent tissue containing polysiloxanes
KIMBERLY CLARK CO11 citations74
US6949168B2Sep 27, 2005
Soft paper product including beneficial agents
KIMBERLY CLARK CO7 citations73
US6977026B2Dec 20, 2005
Method for applying softening compositions to a tissue product
KIMBERLY CLARK CO9 citations68
US7625462B2Dec 1, 2009
Tissue products containing triggerable polymeric bonding agents
KIMBERLY CLARK CO2 citations63
GAF CORP
4 patentsUS4873336AOct 10, 1989
Process for the preparation of N-vinyl lactams
GAF CORP24 citations93
US4824967AApr 25, 1989
Process for the preparation of 2-pyrrolidone
GAF CORP21 citations82
US4720578AJan 19, 1988
Preparation of fluorinated carboxypropylated non-ionic surfactants
GAF CORP21 citations82
US4429146AJan 31, 1984
Substituted diphenyl ether herbicides and process for use
GAF CORP14 citations74
GAF CHEMICALS CORP
3 patentsUS5012011AApr 30, 1991
Fluorinated vinyl ether
GAF CHEMICALS CORP9 citations74
US4980430ADec 25, 1990
Epoxy vinyl ethers and synthesis of an epoxy vinyl ether from a hydroxylated vinyl ether and a diepoxide
GAF CHEMICALS CORP7 citations74
US5026810AJun 25, 1991
Vinyl ether siloxanes
GAF CHEMICALS CORP4 citations63
Showing the top 50 of 82 patents by PatentIndex Score.