Inventor
Gautam Chatterjee
Inventor
Bangalore, IN
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds41%
C08LCompositions of macromolecular compounds26%
G11BInformation storage based on relative movement between record carrier and transducer8%
C08JWorking-up5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
Y10TTechnical subjects covered by former us classification5%
A61LMethods or apparatus for sterilising materials or objects in general3%
C07DHeterocyclic compounds3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
9,909,006'Blends of polyetherimide sulfone and poly(arylene sulfide)'20189,062,196'High heat polycarbonates, methods of making, and articles formed therefrom'20158,993,671'Poly(aliphatic ester)-polycarbonate copolymer/polylactic acid blend'20158,933,170'Bio-sourced transparent and ductile polycarbonate blends'20158,841,404'Flame retardant bio-based polymer blends'20148,618,218'Blends of polysiloxane/polyimide block copolymer and poly(arylene sulfide)'20137,842,379'Polymeric foams with nanocellular morphology and methods for making them'20107,807,772'Aliphatic diol-based polycarbonates, method of making, and articles formed therefrom'20107,638,091'Methods of sterilizing polycarbonate articles and methods of manufacture'20097,528,214'Methods for preparing transparent articles from hydroquinone polycarbonate copolymers'20097,408,016'Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom'20087,277,230'Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom'20077,138,479'Aliphatic diol polycarbonates and their preparation'20066,825,266'Polycarbonate molding compositions and articles with improved surface aesthetics'20046,689,863'Polycarbonate copolymers and methods for producing the polycarbonate copolymers'20046,552,158'Dimensionally stable polycarbonate articles'20036,333,394'Copolycarbonate preparation by solid state polymerization'20016,143,859'Copolycarbonate preparation by solid state polymerization'20006,060,576'Method for preparing copolycarbonates of enhanced crystallinity'20006,042,920'Optical quality copolycarbonates containing polyoxyalkylene carbonate units'20006,031,062'Method for preparing polycarbonates of enhanced crystallinity'20005,859,833'Optical disk grade copolyestercarbonates derived from hydroxyphenylindanols'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2007Patents assigned to GEN ELECTRIC (11)· patent assignee history
1999Based in Clifton Park, NY, US· patent location history
2000–2001Based in New Delhi, IN· patent location history
2003–2018Based in Bangalore, IN· patent location history
2008–2013Patents assigned to SABIC INNOVATIVE PLASTICS IP (6)· patent assignee history
2010Based in Karnatake, IN· patent location history
2013–2018Patents assigned to CHATTERJEE GAUTAM (6)· patent assignee history
2014–2018Patents assigned to SABIC GLOBAL TECHNOLOGIES BV (4)· patent assignee history
2014–2015Patents assigned to KRISHNAMURTHY SRIRAM (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 11 | 1999–2007 |
| CHATTERJEE GAUTAMself | 6 | 2013–2018 |
| SABIC INNOVATIVE PLASTICS IP | 6 | 2008–2013 |
| SABIC GLOBAL TECHNOLOGIES BV | 4 | 2014–2018 |
| KRISHNAMURTHY SRIRAM | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bangalore, IN | 15 | 2003–2018 |
| New Delhi, IN | 5 | 2000–2001 |
| Karnatake, IN | 1 | 2010 |
| Clifton Park, New York, US | 1 | 1999 |