Inventor · disambiguated record
Biau-Hung Chang
Also filed as: CHANG BIAU-HUNG
24 granted patents·232 citations·filing 1982–2010
95Inventor score
Top patents by PatentIndex Score
24 records- 0194US6339125B1Cationic polyurethane dispersion and composition containing sameCROMPTON CORP·Filed 2000·Granted Jan 15, 2002·57 cites·22 claims
- 0283US6465559B1Sizing compositionCROMPTON CORP·Filed 2000·Granted Oct 15, 2002·24 cites·18 claims
- 0376US4465635AManufacture of palladous carboxylatesASHLAND OIL INC·Filed 1982·Granted Aug 14, 1984·10 cites·10 claims
- 0475US4547595AMethod of reactivating Group VIII anionic hydroformylation catalystsASHLAND OIL INC·Filed 1984·Granted Oct 15, 1985·11 cites·16 claims
- 0567US5344886AProcess for making graft propylene polymersQUANTUM CHEM CORP·Filed 1993·Granted Sep 6, 1994·18 cites·40 claims
- 0667US4929711AProcess for converting polyketones to polyestersQUANTUM CHEM CORP·Filed 1989·Granted May 29, 1990·16 cites·16 claims
- 0766US4453019AUse of mixed metal catalysts in the hydroformylation of olefins to produce linear aldehydes and alcoholsASHLAND OIL INC·Filed 1982·Granted Jun 5, 1984·18 cites·14 claims
- 0864US8592530B2Copolyester polyols, prepolymers, and polyurethane elastomers formed therefrom and processes for making sameCHANG BIAU-HUNG·Filed 2010·Granted Nov 26, 2013·1 cites·7 claims
- 0964US4957997AProcess for converting polyketones containing pendant functional groups to polyestersQUANTUM CHEM CORP·Filed 1990·Granted Sep 18, 1990·14 cites·16 claims
- 1061US5344888AProcess for making graft propylene polymersQUANTUM CHEM CORP·Filed 1993·Granted Sep 6, 1994·14 cites·34 claims
- 1159US4661623AMethod of producing methyl formate from methanol and carbon monoxide using anionic group VIII metal cataystsASHLAND OIL INC·Filed 1985·Granted Apr 28, 1987·6 cites·12 claims
- 1259US4618707APreparation of menthane diisocyanate by addition of isocyanic acid to terpinyl monoisocyanatesASHLAND OIL INC·Filed 1985·Granted Oct 21, 1986·6 cites·7 claims
- 1356US4539306AUse of mixed metal catalysts in the hydroformylation of olefins to produce linear aldehydes and alcoholsASHLAND OIL INC·Filed 1984·Granted Sep 3, 1985·12 cites·9 claims
- 1450US5219930AProcess for converting vinyl alcohol polymers to poly(keto-esters) therefromQUANTUM CHEM CORP·Filed 1993·Granted Jun 15, 1993·8 cites·20 claims
- 1544US5140080AProcess for converting polyketones to poly(keto-esters)QUANTUM CHEM CORP·Filed 1991·Granted Aug 18, 1992·5 cites·17 claims
- 1642US4506101AProcess for the hydroformylation of olefins to produce linear aldehydes and alcoholsASHLAND OIL INC·Filed 1982·Granted Mar 19, 1985·6 cites·25 claims
- 1734US5064932APoly(keto-esters)QUANTUM CHEM CORP·Filed 1990·Granted Nov 12, 1991·2 cites·21 claims
- 1833US5064912AProcess for oxidizing polymers derived from unsaturated ketonesQUANTUM CHEM CORP·Filed 1990·Granted Nov 12, 1991·2 cites·12 claims
- 1933US4798872AAlkylene phosphonate acid ester polyolsASHLAND OIL INC·Filed 1986·Granted Jan 17, 1989·1 cites·2 claims
- 2033US4681708AProcess for converting an alkoxyalkadiene to an alkyl dialkoxyalkanoateNAT DISTILLERS CHEM CORP·Filed 1986·Granted Jul 21, 1987·0 cites·18 claims
- 2133US4681709AAlkyl 9-alkoxy-7-nonenoatesNAT DISTILLERS CHEM CORP·Filed 1986·Granted Jul 21, 1987·0 cites·4 claims
- 2231US5270411AProcess for making an aliphatic polyester by copolymerizing a cyclic ketene acetal and an olefin and the polyester product thereofQUANTUM CHEM CORP·Filed 1992·Granted Dec 14, 1993·1 cites·35 claims
- 2331US4788325AConversion of an allylic ether to its corresponding carbonyl compoundNAT DISTILLERS CHEM CORP·Filed 1987·Granted Nov 29, 1988·0 cites·27 claims
- 2431US4743401AConversion of an allylic ether to its corresponding acetalNAT DISTILLERS CHEM CORP·Filed 1986·Granted May 10, 1988·0 cites·25 claims
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