US3399149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of oxirane monoepoxides using an organometallic compound with water as cocatalysts
Assignee: Union Carbide Corp
•
Filing: 1959-07-01
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Granted: 1968-08-27
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth T Garty
- 👤 Jr Thomas B Gibb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:42
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10; C08G65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
METHOD FOR THE PRODUCTION OF A POLYMER OF AN EPOXIDE COMPOUND WHICH COMPRISES CONTACTING A MONOMERIC OXIRANE MONOEPOXIDE, WHICH IS FREE OF ESTER, ACID, AMINO AND ALDEHYDE GROUPS, WITH AT LEAST ABOUT 0.01 PERCENT BY WEIGHT, BASED ON WEIGHT OF SAID OXIRANE MONOEPOXIDE, OF AN ORGANOMETALLIC COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
50 words
METHOD FOR THE PRODUCTION OF A POLYMER OF AN EPOXIDE COMPOUND WHICH COMPRISES CONTACTING A MONOMERIC OXIRANE MONOEPOXIDE, WHICH IS FREE OF ESTER, ACID, AMINO AND ALDEHYDE GROUPS, WITH AT LEAST ABOUT 0.01 PERCENT BY WEIGHT, BASED ON WEIGHT OF SAID OXIRANE MONOEPOXIDE, OF AN ORGANOMETALLIC COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
GB477843A
Cited
US2870100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |