Inventor
Alakananda Bhattacharyya
Inventor
Glen Ellyn, IL, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge23%
C07CAcyclic or carbocyclic compounds15%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C01CAmmonia8%
C07DHeterocyclic compounds8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
11,104,622Liquid acid catalyzed alkylation process202111,091,454Process for the synthesis of aromatic dicarboxylic acids202110,889,534Alkylation processes using liquid Lewis acid catalysts20218,673,152'Methods for polishing wastewater utilizing a bed of commingled bauxite residue and iron filings'20144,311,597'Method and apparatus for treatment of wastewater'19824,271,013'Method and apparatus for removing biodegradable compounds from wastewater'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1982Patents assigned to REPUBLIC STEEL CORP (2)· patent assignee history
1981–1982Based in West Seneca, NY, US· patent location history
2014Patents assigned to ALCOA INC (1)· patent assignee history
2014Patents assigned to CORPORATE ENVIRONMENTAL SOLUTIONS LLC (1)· patent assignee history
2014Based in Fairfax Station, VA, US· patent location history
2021Patents assigned to UOP LLC (3)· patent assignee history
2021Based in Glen Ellyn, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UOP LLC | 3 | 2021 |
| REPUBLIC STEEL CORP | 2 | 1981–1982 |
| ALCOA INC | 1 | 2014 |
| CORPORATE ENVIRONMENTAL SOLUTIONS LLC | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Glen Ellyn, Illinois, US | 3 | 2021 |
| West Seneca, New York, US | 2 | 1981–1982 |
| Fairfax Station, Virginia, US | 1 | 2014 |