US2909501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable fire resistant polyester composition comprising hexahalocyclopentadiene and antimony trioxide
Assignee: Hooker Chemical Corp
•
Filing: 1954-08-16
•
Granted: 1959-10-20
•
Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Robitschek Paul
- 👤 James L Olmstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:42
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A POLYMERIZABLE MIXTURE COMPRISING (A) A POLYMERIZABLE LINEAR POLYESTER OF INGREDIENTS COMPRISING (1) A POLYHYDIC ALCOHOL, (2) AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMMINE, FLUORINE AND MIXTURES THEREOF, AND (3) A POLYCARBOXYL COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATED, (B) A POLYMERIZABLE COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, AND (C) IN ADMIXTURE THEREWITH, AS A SYNERGISTIC FLAME RETARDANT COMPONENT FOR THE POLYMERIZED RESIN, FROM ABOUT 0.5% TO ABOUT 20% BY WEIGHT OF THE TOTAL COMPOSITION OF ANTIMONY TRIOXIDE.
Claim 2
Dependent Claim
98 words
A POLYMERIZABLE MIXTURE COMPRISING (A) A POLYMERIZABLE LINEAR POLYESTER OF INGREDIENTS COMPRISING (1) A POLYHYDIC ALCOHOL, (2) AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMMINE, FLUORINE AND MIXTURES THEREOF, AND (3) A POLYCARBOXYL COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATED, (B) A POLYMERIZABLE COMPOUND CONTAINING ALIPHATIC CARBON TO CARBON UNSATURATION, AND (C) IN ADMIXTURE THEREWITH, AS A SYNERGISTIC FLAME RETARDANT COMPONENT FOR THE POLYMERIZED RESIN, FROM ABOUT 0.5% TO ABOUT 20% BY WEIGHT OF THE TOTAL COMPOSITION OF ANTIMONY TRIOXIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |