Patent US2509607A successfully refreshed from Google Patents.
US2783215A
Expired / Lapsed
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Flame retardant polyester resinous compositions containing halogen
Assignee: Occidental Chemical Corp
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Filing: 1956-08-31
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Granted: 1957-02-26
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Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robitschek Paul
- 👤 Jr Claude Thomas Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:49
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A POLMERIZABLE MIXTURE COMPRISING (A) A POLYMERIZABLE LINEAR POLYESTER OF INGRIDENTS COMPRISING A POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL AND (B) A COPOLYMERIZABLE COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION COMPRISING AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLUORINE AND MIXTURES THEREOF.
Claim 2
Dependent Claim
60 words
A POLMERIZABLE MIXTURE COMPRISING (A) A POLYMERIZABLE LINEAR POLYESTER OF INGRIDENTS COMPRISING A POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL AND (B) A COPOLYMERIZABLE COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION COMPRISING AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLUORINE AND MIXTURES THEREOF.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |