US3733302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimellitimido alkyl substituted aromatic carbocyclic organic polymers and a method for making same
Assignee: General Electric Co
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Filing: 1971-09-01
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Granted: 1973-05-15
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Expires: 1991-09-01
Abstract
Abstract A VARIETY OF AROMATIC CARBOCYCLIC POLYMERS SUBSTITUTED WITH TRIMELLITIMIDO ALKYL RADICALS CAN BE MADE BY EFFECTING REACTION BETWEN AN AROMATIC CARBOCYCLIC ORGANIC POLYMER, FOR EXAMPLE, POLYPHENYLENE OXIDE, AND A HYDROXY ALKYL TRIMELLITIMIDE, OR DERIVATIVE THEREOF, IN THE PRESENCE OF A FRIEDEL CRAFTS CATALYST, SUCH AS BORON TRIFLUIRIDE. THE TRIMELLITIMIDO ALKYL SUBSTITUTED AROMATIC CARBOCYCLIC ORGANIC POLYMERS CAN VBE ELECTRODEPOSITED ONTO VARIOUS SUBSTRATES TO IMPART IMPROVED SURFACE CHARACTERISTICS THERETO.
Inventors
- 👤 Klebej
- 👤 H Wroblewski
- 👤 A Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:25
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4419; C09D5/4461; C08; C08F; C08F8/00; C08F8/30; C08G; C08G63/00; C08G63/91; C08G65/00; C08G65/34; C08G65/48; C08G85/00; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |