Patent US3945347A successfully refreshed from Google Patents.
Patent US2779700A successfully refreshed from Google Patents.
US2779700A
Expired / Lapsed
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Flame retardant polyester resinous compositions containing halogen
Assignee: Occidental Chemical Corp
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Filing: 1956-01-03
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Granted: 1957-01-29
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Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robitschek Paul
- 👤 Jr Claude Thomas Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:53
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A POLYMERIZABLE MIXTURE COMPRISING (A) A POLY MERIZABLE LINEAR POLYESTER OF INGREDIENTS COMPRISING (1) AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLOUORINE AND MIXTURES THEREOF AND (2) A POLYCARBOXYLIC ACID CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, AND (B) A POLYMERIZABLE COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION.
Claim 2
Dependent Claim
66 words
A POLYMERIZABLE MIXTURE COMPRISING (A) A POLY MERIZABLE LINEAR POLYESTER OF INGREDIENTS COMPRISING (1) AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLOUORINE AND MIXTURES THEREOF AND (2) A POLYCARBOXYLIC ACID CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, AND (B) A POLYMERIZABLE COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION.
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) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |