US3585159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coordinate-bonding,corrosion-preventive paint
Assignee: Cashew KK
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Filing: 1968-10-25
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Granted: 1971-06-15
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Expires: 1988-10-25
Abstract
Abstract A COMPOUND OF THE URUSHI LACQUER CLASS AND AT LEAST ONE COMPOUND SELECTED FROM AROMATIC ACIDS AND HYDROXY ACIDS AND POLYVALENT PHENOLS ARE CAUSED TO UNDERGO COPOLYCONDENSATION TOGETHER WITH FORMALIN IN THE PRESENCE OF AN ACIDIC CATALYST, AND, WITH THE RESULTING RESINOUS SUBSTANCE, AN ANIMAL OR VEGETABLE DRYING OIL, AT LEAST ONE PIGMENT, AND OTHER ADDITIVES AS DESIRED ARE THOROUGHLY ADMIXED TO PRODUCE A PAINT OF HIGH CORROSION-PREVENTIVE PERFORMANCE DUE TO ITS COORDINATE-BONDING CHARACTERISTIC.
Inventors
- 👤 Kazuyuki Mihara
- 👤 Kunio Kobiyama
- 👤 Yukio Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:07
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/34; C08; C08G; C08G16/00; C08G16/02; C08G16/0293; C08G8/00; C08G8/04; C08G8/08; C08G8/20; C08G8/22; C08G8/28; C08G8/32; C09D161/04; C09D161/06; C09D161/14; C09D5/00; C09D5/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |