US2880193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising chlorinated ethylenically unsaturated linear polyester and mixture of monomers copolymerizable therewith
Assignee: Celanese Corp
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Filing: 1955-09-07
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Granted: 1959-03-31
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Henry P Marshall
- 👤 Richard E Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:54
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COMPOSITION OF MATTER COMPRISING A CHLORINATED ETHYLENICALLY UNSATURATED LINEAR POLYESTER OF A DIHYDRIC ALCOHOL AND A DICARBOXYLIC ACID COMPONENT CONTAINING CHLORINE AND ETHYLENIC UNSATURATION AND A MIXTURE OF MONOMERS COPOLYMERIZABLE WITH SAID POLYSTER COMPRISING AN AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF STYRENE, 2-METHYL STYRENE, DIVINYL BENZENE, VINYL TOLUENE, VINYL NAPHTHALENE AND ACENAPHTHYLENE, AND AN ETHYLENICALLY UNSATURATED LOWER ALIPHATIC ESTER, THE PROPORTION OF ESTER ON A MOLAR BASIS BEING BETWEEN ABOUT 25 AND 75 PERCENT OF THE TOTAL MONOMER, THE PROPORTION OF CHLORINE IN THE POLYESTER BEING SUCH THAT THE FINAL RESIN WILL CONTAIN AT LEAST 25 PERCENT BY WEIGHT OF CHLORINE.
Claim 2
Dependent Claim
104 words
A COMPOSITION OF MATTER COMPRISING A CHLORINATED ETHYLENICALLY UNSATURATED LINEAR POLYESTER OF A DIHYDRIC ALCOHOL AND A DICARBOXYLIC ACID COMPONENT CONTAINING CHLORINE AND ETHYLENIC UNSATURATION AND A MIXTURE OF MONOMERS COPOLYMERIZABLE WITH SAID POLYSTER COMPRISING AN AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF STYRENE, 2-METHYL STYRENE, DIVINYL BENZENE, VINYL TOLUENE, VINYL NAPHTHALENE AND ACENAPHTHYLENE, AND AN ETHYLENICALLY UNSATURATED LOWER ALIPHATIC ESTER, THE PROPORTION OF ESTER ON A MOLAR BASIS BEING BETWEEN ABOUT 25 AND 75 PERCENT OF THE TOTAL MONOMER, THE PROPORTION OF CHLORINE IN THE POLYESTER BEING SUCH THAT THE FINAL RESIN WILL CONTAIN AT LEAST 25 PERCENT BY WEIGHT OF CHLORINE.
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |