Inventor
TANG ROBERT H
US34 patents
⚠️ This page may combine multiple inventors who share the name “TANG ROBERT H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
21 patentsUS5296627AMar 22, 1994
Ethylenically unsaturated poly(alkyleneoxy) surfactants
PPG INDUSTRIES INC88 citations96
US4613656ASep 23, 1986
Method for polymerizing bis(allyl carbonate) resin
PPG INDUSTRIES INC102 citations96
US5728771AMar 17, 1998
Non-formaldehyde durable press finishing for cellulosic textiles with phosphinocarboxylic acid
PPG INDUSTRIES INC45 citations95
US5705475AJan 6, 1998
Non-formaldehyde durable press finishing for cellulosic textiles with phosphonoalkylpolycarboxylic
PPG INDUSTRIES INC45 citations95
US5496477AMar 5, 1996
Non-formaldehyde durable press finishing for cellulosic textiles with phosphinocarboxylic acid
PPG INDUSTRIES INC47 citations95
US5162475ANov 10, 1992
Polymerizable surfactant
PPG INDUSTRIES INC60 citations93
US5904829AMay 18, 1999
Method of converting amine hydrohalide into free amine
PPG INDUSTRIES INC22 citations92
US5811605ASep 22, 1998
Preparation of 1,2,3,3-tetrachloropropene
PPG INDUSTRIES INC48 citations92
US4686266AAug 11, 1987
Bis(allyl carbonate) monomer and method for polymerizing same
PPG INDUSTRIES INC39 citations92
US4515929AMay 7, 1985
Peroxide composition
PPG INDUSTRIES INC28 citations92
US4552682ANov 12, 1985
Peroxide composition containing phenolic antioxidant
PPG INDUSTRIES INC29 citations89
US4742133AMay 3, 1988
Poly(allyl carbonate)-functional prepolymers prepared by treatment with molecular oxygen
PPG INDUSTRIES INC36 citations87
US5906722AMay 25, 1999
Method of converting amine hydrohalide into free amine
PPG INDUSTRIES INC12 citations74
US5900133AMay 4, 1999
Method of converting amine hydrohalide into free amine
PPG INDUSTRIES INC10 citations74
US5882501AMar 16, 1999
Method of converting amine hydrohalide into free amine
PPG INDUSTRIES INC9 citations74
US5231211AJul 27, 1993
Method for preparing di(organo) esters of pyrocarbonic acid
PPG INDUSTRIES INC12 citations74
US4526726AJul 2, 1985
Tertiaryalkyl peroxycarbonates
PPG INDUSTRIES INC17 citations74
US4590008AMay 20, 1986
Novel organic peroxydicarbonates
PPG INDUSTRIES INC5 citations63
US4584142AApr 22, 1986
Alkyl percarbonates
PPG INDUSTRIES INC5 citations61
US4522991AJun 11, 1985
Method for polymerizing ethylenically unsaturated monomer with novel organic percarbonates
PPG INDUSTRIES INC0 citations52
US4492656AJan 8, 1985
Dicyanomethyl ethyl peroxy dicarbonate polymerization initiators
PPG INDUSTRIES INC0 citations52
PPG IND OHIO INC
10 patentsUS6074761AJun 13, 2000
Inkjet printing media
PPG IND OHIO INC16 citations92
US7157119B2Jan 2, 2007
Method and compositions for applying multiple overlying organic pigmented decorations on ceramic substrates
PPG IND OHIO INC22 citations89
US8734033B2May 27, 2014
Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same
PPG IND OHIO INC14 citations83
US8373919B2Feb 12, 2013
Optical element having an apodized aperture
PPG IND OHIO INC9 citations83
US6214414B1Apr 10, 2001
Method for forming a sequence of crosslinked pigmented coatings on ceramic substrates
PPG IND OHIO INC19 citations81
US5998534ADec 7, 1999
Water-soluble or water-dispersible addition copolymer
PPG IND OHIO INC9 citations73
US5997716ADec 7, 1999
Method of electrochemically producing epoxides
PPG IND OHIO INC8 citations73
US5997715ADec 7, 1999
Method of electrochemically producing epoxides
PPG IND OHIO INC8 citations73
US5980724ANov 9, 1999
Method of electrochemically producing epoxides
PPG IND OHIO INC11 citations73
US5972195AOct 26, 1999
Method of electrolytically producing epoxides
PPG IND OHIO INC4 citations62