Patent US3814944A successfully refreshed from Google Patents.
Patent US3065199A successfully refreshed from Google Patents.
US3065199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of an unsaturated monomer and an unsaturated polyester
Assignee: Rhone Poulenc SA
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Filing: 1960-04-18
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Granted: 1962-11-20
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Collardeau Georges
- 👤 Pierrot Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:05
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/56; C08F; C08F299/00; C08F299/02; C08F299/022; C08G63/54; C08G63/553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR THE PRODUCTION OF PLASTIC POLYMERISATION PRODUCTS WHICH COMPRISES COPOLYMERISING WITH A MONOMER CONTAINING A H2C=C<GROUP A COPOLYMERISABLE LINEAR POLYESTER OBTAINED BY CONDENSING (A) AN ACIDIC COMPONENT SELECTED FROM THE CLASS CONSISTING OF MONOOLEFINIC ALIPHATIC DICARBOXYLIC ACIDS AND NHYDRIDES THEREOF, MIXTURES OF SAID MONO-OLEFINIC ACIDS WITH SATURATED ALPHATIC DICARBOXYLIC ACIDS AND MIXTURES OF SAID MONOOLEFINIC ACIDS WITH AROMATIC DICARBOXYLIC ACIDS, WITH (B) AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF 1,2 -EPOXYCYCLODODECANE, 1,2 -EPOXYCYCLODODECA-5,9DIENE, CYCLODODECANE-1,2-DIOL AND CYCLODODECA-5,9-DIENE1,2-DIOL.
Claim 2
Dependent Claim
81 words
A PROCESS FOR THE PRODUCTION OF PLASTIC POLYMERISATION PRODUCTS WHICH COMPRISES COPOLYMERISING WITH A MONOMER CONTAINING A H2C=C<GROUP A COPOLYMERISABLE LINEAR POLYESTER OBTAINED BY CONDENSING (A) AN ACIDIC COMPONENT SELECTED FROM THE CLASS CONSISTING OF MONOOLEFINIC ALIPHATIC DICARBOXYLIC ACIDS AND NHYDRIDES THEREOF, MIXTURES OF SAID MONO-OLEFINIC ACIDS WITH SATURATED ALPHATIC DICARBOXYLIC ACIDS AND MIXTURES OF SAID MONOOLEFINIC ACIDS WITH AROMATIC DICARBOXYLIC ACIDS, WITH (B) AT LEAST ONE COMPOUND SELECTED FROM THE CLASS CONSISTING OF 1,2 -EPOXYCYCLODODECANE, 1,2 -EPOXYCYCLODODECA-5,9DIENE, CYCLODODECANE-1,2-DIOL AND CYCLODODECA-5,9-DIENE1,2-DIOL.
References Cited (Backward Citations)
US2255313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |