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US2476922A
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Glycidyl allyl phthalate and related mixed esters together with polymers thereof
Assignee: Shell Development Co
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Filing: 1946-06-15
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Granted: 1949-07-19
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Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Edward C Shokal
- 👤 Lynwood N Whitehill
- 👤 Clifford V Wittenwyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:31
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/12; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/16; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08; C08F2/00; C08G59/04; C08G59/06; C08G59/063; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/28
Claims Analysis
Total Claims: 0
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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) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |