Inventor
Hang-Chang Bobby Chen
Inventor
Getzville, NY, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds28%
C11DDetergent compositions24%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis20%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C01BNon-metallic elements4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
H01LSemiconductor devices4%
H10DInorganic electric semiconductor devices4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
11,031,286Conductive feature formation and structure20217,439,388'Process for converting primary amidoalcohols to amidocarboxylic acids in high yield using water as solvent'20086,855,211'Rapidly evaporating cleaning compositions'20056,429,176'Rapidly evaporating cleaning compositions'20026,222,079'Method of increasing certain isomeric ratios in chlorinating substituted benzenes'20016,156,945'Method of making high purity 2,4- and 3,4-dichlorotoluene'20006,020,299'Single phase cleaning fluid'20006,005,139'Process for making alkoxy esters'19995,851,435'Cleaning composition containing benzotrifluoride'19985,756,002'Cleaning solvents containing benzotrifluoride and fluorinated compounds'19985,744,437'Single phase liquid composition for cleaning and paint stripping and use thereof'19985,705,728'Process for the production of ethylene and mixture containing ethylene'19985,446,232'Removing oxygen from hydrocarbon gases'19955,113,028'Process for mixing ethane and chlorine gases'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to ACHEE GERALD F (1)· patent assignee history
1992Patents assigned to CHEN HANG CHANG B (1)· patent assignee history
1992–2005Based in Getzville, NY, US· patent location history
1995–2001Patents assigned to OCCIDENTAL CHEM CO (9)· patent assignee history
2000–2001Based in Amherst, NY, US· patent location history
2002–2005Patents assigned to EMERALD AGROCHEMICALS COMPANY (2)· patent assignee history
2008Patents assigned to CONOPCO INC (1)· patent assignee history
2008Based in Cheshire, CT, US· patent location history
2021Based in Hsinchu, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OCCIDENTAL CHEM CO | 9 | 1995–2001 |
| EMERALD AGROCHEMICALS COMPANY | 2 | 2002–2005 |
| ACHEE GERALD F | 1 | 1992 |
| CHEN HANG CHANG Bself | 1 | 1992 |
| CONOPCO INC | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Getzville, New York, US | 10 | 1992–2005 |
| Amherst, New York, US | 2 | 2000–2001 |
| Hsinchu, TW | 1 | 2021 |
| Cheshire, CT, US | 1 | 2008 |