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Patent US3501552A successfully refreshed from Google Patents.
US3501552A
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Phenolic benzylic ether coating compositions and method of crosslinking same
Assignee: Ashland LLC
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Filing: 1969-01-10
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Granted: 1970-03-17
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Expires: 1989-01-10
Abstract
No abstract record available.
Inventors
- 👤 Janis Robins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:46
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/54; C08G18/542; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1782; C07C43/1785; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08G8/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1126926A
Cited
US2557081A
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US3028251A
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US3303332A
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US3324197A
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US3409571A
Cited
US3425989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |