US3637580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preventing sagging of coating materials
Assignee: Kao Corp
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Filing: 1969-08-25
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Granted: 1972-01-25
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Expires: 1989-08-25
Abstract
Abstract A PAINT COMPOSITION CONTAINING FROM 0.05 TO 10% BY WEIGHT, BASED ON THE TOTAL WEIGHT OF THE PAINT COMPOSITION, OF AN ANTISAGGING AGENT MADE BY REACTING ONE MOLE OF A DIMER ACID WITH 0.1 TO 0.99 MOLE OF A GLYCOL OF THE FORMULA HO-(CH2CH2O)N-H, WHEREIN N IS A NUMBER FROM 1 TO 30, UNTIL THE HYDROXYL VALUE OF THE REACTION MIXTURE REACHES A CONSTANT VALUE OF LESS THAN 10.
Inventors
- 👤 Kenichi Hattori
- 👤 Atushi Goukon
- 👤 Yoshiaki Komeda
- 👤 Hiroshi Mori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:13
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/672; C09D7/00; C09D7/40; C09D7/43; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |