US3196191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen-containing polyester compositions
Assignee: Dow Chemical Co
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Filing: 1961-05-25
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Granted: 1965-07-20
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Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel H Haigh
- 👤 Roberts Carleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:49
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A POLYMERIZABLE COMPOSITION COMPRISING A POLYMERIZABLE LINEAR POLYESTE OF INGREDIENTS COMPRISING (1) AN ADDUCT OF HEXACHLOROCYCLOPENTADIENE AND TETRAHYDROPHTHALIC ANHYDRIDE, (2) A SATURATED ALIPHATIC POLYOL AND (3) A REACTIVE ETHYLENICALLY UNSATURATED POLYFUNCTIONAL CHEMICAL COMPOUND CONTAINING REACTIVE GROUPS SELECTED FROM THE CLASS CONSISTING OF CARBOXY GROUPS AND ANHYDRIDE GROUPS THEREOF AND HYDROXYL GROUPS, WHICH COMPOUND RETAINS ACTIVE ETHYLENIC UNSATURATION AFTER BEING CHEMICALLY COMBINED IN THE POLYESTER CHAIN AND RENDERS THE POLYESTER COPOLYMERIZABLE WITH OLEFINIC CROSS-LINKING AGENTS.
Claim 2
Dependent Claim
74 words
A POLYMERIZABLE COMPOSITION COMPRISING A POLYMERIZABLE LINEAR POLYESTE OF INGREDIENTS COMPRISING (1) AN ADDUCT OF HEXACHLOROCYCLOPENTADIENE AND TETRAHYDROPHTHALIC ANHYDRIDE, (2) A SATURATED ALIPHATIC POLYOL AND (3) A REACTIVE ETHYLENICALLY UNSATURATED POLYFUNCTIONAL CHEMICAL COMPOUND CONTAINING REACTIVE GROUPS SELECTED FROM THE CLASS CONSISTING OF CARBOXY GROUPS AND ANHYDRIDE GROUPS THEREOF AND HYDROXYL GROUPS, WHICH COMPOUND RETAINS ACTIVE ETHYLENIC UNSATURATION AFTER BEING CHEMICALLY COMBINED IN THE POLYESTER CHAIN AND RENDERS THE POLYESTER COPOLYMERIZABLE WITH OLEFINIC CROSS-LINKING AGENTS.
References Cited (Backward Citations)
US2783215A
Cited
US3017431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |