Patent US3332980A successfully refreshed from Google Patents.
US3332980A
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Aryl polyalkyleneoxy carbonates
Assignee: GAF Chemicals Corp
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Filing: 1964-04-03
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Granted: 1967-07-25
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Robert E Leary
- 👤 Leslie M Schenck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:36
CPC Classifications
C; C07; C07C; C07C68/00; C07C68/06; B; B23; B23B; B23B47/00; B23B47/28; B23B47/281; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/331; C10; C10M; C10M3/00; B23B2247/00; B23B2247/12; B23B2247/18; C10M2207/00; C10M2207/28; C10M2207/32; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10N; C10N2040/00; C10N2040/08; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
THE ORGANIC POLYALKYLENEOXY CARBONATE HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
8 words
THE ORGANIC POLYALKYLENEOXY CARBONATE HAVING THE FOLLOWING FORMULA:
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |