US3725080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating formulations containing the reaction product of glycidol polyethers and sulfating agents
Assignee: GAF Corp
•
Filing: 1971-02-01
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Granted: 1973-04-03
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Expires: 1991-02-01
Abstract
Abstract COATING AIDS FOR WATER-PERMEABLE COLLOID COATING COMPOSITIONS COMPRISING SULFATE ESTER PRODUCTS OF A GLYCIDOL POLYETHER.
Inventors
- 👤 E Mackey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:55
CPC Classifications
C; C07; C07C; C07C305/00; C07C305/02; C07C305/04; C07C305/10; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G65/32; C08G65/321; C08G65/326; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; G03C1/06; G03C1/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |