Inventor
Biau-Hung Chang
Inventor
West Chester, OH, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds30%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
C03CChemical composition of glasses, glazes or vitreous enamels3%
C08LCompositions of macromolecular compounds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
C11CFatty acids from fats, oils or waxes3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
8,592,530'Copolyester polyols, prepolymers, and polyurethane elastomers formed therefrom and processes for making same'20136,465,559'Sizing composition'20026,339,125'Cationic polyurethane dispersion and composition containing same'20025,344,886'Process for making graft propylene polymers'19945,344,888'Process for making graft propylene polymers'19945,270,411'Process for making an aliphatic polyester by copolymerizing a cyclic ketene acetal and an olefin and the polyester product thereof'19935,219,930'Process for converting vinyl alcohol polymers to poly(keto-esters) therefrom'19935,140,080'Process for converting polyketones to poly(keto-esters)'19925,064,932'Poly(keto-esters)'19915,064,912'Process for oxidizing polymers derived from unsaturated ketones'19914,957,997'Process for converting polyketones containing pendant functional groups to polyesters'19904,929,711'Process for converting polyketones to polyesters'19904,798,872'Alkylene phosphonate acid ester polyols'19894,788,325'Conversion of an allylic ether to its corresponding carbonyl compound'19884,743,401'Conversion of an allylic ether to its corresponding acetal'19884,681,709'Alkyl 9-alkoxy-7-nonenoates'19874,681,708'Process for converting an alkoxyalkadiene to an alkyl dialkoxyalkanoate'19874,661,623'Method of producing methyl formate from methanol and carbon monoxide using anionic group VIII metal cataysts'19874,618,707'Preparation of menthane diisocyanate by addition of isocyanic acid to terpinyl monoisocyanates'19864,547,595'Method of reactivating Group VIII anionic hydroformylation catalysts'19854,539,306'Use of mixed metal catalysts in the hydroformylation of olefins to produce linear aldehydes and alcohols'19854,506,101'Process for the hydroformylation of olefins to produce linear aldehydes and alcohols'19854,465,635'Manufacture of palladous carboxylates'19844,453,019'Use of mixed metal catalysts in the hydroformylation of olefins to produce linear aldehydes and alcohols'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1989Patents assigned to ASHLAND OIL INC (8)· patent assignee history
1984–1989Based in Worthington, OH, US· patent location history
1987–1988Patents assigned to NAT DISTILLERS CHEM CORP (4)· patent assignee history
1987–1993Based in West Chester, OH, US· patent location history
1990–1994Patents assigned to QUANTUM CHEM CORP (9)· patent assignee history
1991Based in Wester Chester, OH, US· patent location history
1994Based in Cincinnati, OH, US· patent location history
2002Patents assigned to CROMPTON CORP (2)· patent assignee history
2002–2013Based in Basking Ridge, NJ, US· patent location history
2013Patents assigned to CHANG BIAU-HUNG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUANTUM CHEM CORP | 9 | 1990–1994 |
| ASHLAND OIL INC | 8 | 1984–1989 |
| NAT DISTILLERS CHEM CORP | 4 | 1987–1988 |
| CROMPTON CORP | 2 | 2002 |
| CHANG BIAU-HUNGself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Chester, OH, US | 10 | 1987–1993 |
| Worthington, OH, US | 8 | 1984–1989 |
| Basking Ridge, New Jersey, US | 3 | 2002–2013 |
| Cincinnati, OH, US | 2 | 1994 |
| Wester Chester, OH, US | 1 | 1991 |