Inventor
Ravindra Vikram Singh
Inventor
Uttar Pradesh, IN
Overview
Patents· 7 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 bonds45%
C07DHeterocyclic compounds36%
C07CAcyclic or carbocyclic compounds18%
PatentTitleYear
7,790,832'Methods for purifying 2-aryl-3,3-bis(hydroxyaryl)phthalimidines'20107,592,464'Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom'20097,563,817'Purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidines'20097,514,524'Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom'20097,381,786'Methods of polymer preparation using polycyclic dihydroxy compounds'20087,326,763'Polymers, polymer compositions and method of preparation'20087,208,620'Polycyclic dihydroxy compounds and methods for preparation'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2008Patents assigned to GEN ELECTRIC (3)· patent assignee history
2007–2010Based in Basti, IN· patent location history
2008–2009Based in Uttar Pradesh, IN· patent location history
2009–2010Patents assigned to SABIC INNOVATIVE PLASTICS IP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SABIC INNOVATIVE PLASTICS IP | 4 | 2009–2010 |
| GEN ELECTRIC | 3 | 2007–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Uttar Pradesh, IN | 5 | 2008–2009 |
| Basti, IN | 2 | 2007–2010 |