Patent US3455995A successfully refreshed from Google Patents.
US3455995A
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US
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Oxyalkylation process of polyesters
Assignee: Hooker Chemical Corp
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Filing: 1966-06-30
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Granted: 1969-07-15
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Russel A Bowman
- 👤 Bruce N Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:15
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2615; C07; C07C; C07C29/00; C07C29/68; C07C29/70; C07C31/00; C07C31/28; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/227; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; C08G63/52; C08G63/56; C08G63/58; C08G63/66; C08G63/668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3109853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |