Inventor
Bhagya Chandra Sutradhar
Inventor
Aurora, IL, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
Y02PClimate change mitigation technologies in the production or processing of goods10%
C01BNon-metallic elements8%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases8%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
B01DSeparation5%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
PatentTitleYear
8,999,021'Methods for gasification of carbonaceous materials'20158,658,817'Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons'20148,585,789'Methods for gasification of carbonaceous materials'20138,580,152'Methods for gasification of carbonaceous materials'20137,919,428'Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons'20117,754,910'Mixed metal oxide catalysts for the ammoxidation of propane and isobutane'20106,946,571'Drying of adipic acid'20056,946,572'Crystallization of adipic acid from its solution in aqueous nitric acid'20056,814,867'Process for reducing chromium in nonvolatile residue resulting from air oxidation of cyclohexane'20046,703,529'Process for oxidation of cyclohexane'20045,471,001'Crystallization of adipic acid'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2004Patents assigned to DU PONT (2)· patent assignee history
1995Based in Orange, TX, US· patent location history
2004–2005Based in Wilmington, DE, US· patent location history
2005Patents assigned to INVISTA NORTH AMERICA SARL (2)· patent assignee history
2010–2015Patents assigned to INEOS USA LLC (6)· patent assignee history
2010–2015Based in Aurora, IL, US· patent location history
2013–2015Patents assigned to SUTRADHAR BHAGYA CHANDRA (4)· patent assignee history
2013–2015Patents assigned to KO CHING-WHAN (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INEOS USA LLC | 6 | 2010–2015 |
| SUTRADHAR BHAGYA CHANDRAself | 4 | 2013–2015 |
| KO CHING-WHAN | 3 | 2013–2015 |
| DU PONT | 2 | 1995–2004 |
| INVISTA NORTH AMERICA SARL | 2 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aurora, Illinois, US | 6 | 2010–2015 |
| Wilmington, Delaware, US | 4 | 2004–2005 |
| Orange, Texas, US | 1 | 1995 |