US3557059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diguanamine resin
Assignee: Ajinomoto Co Inc
•
Filing: 1968-09-10
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Granted: 1971-01-19
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Expires: 1988-09-10
Abstract
Abstract COMPOUNDS OF THE FORMULA READILY FORM METHYLOL DERIVATIVES WITH FORMALDEHYDE, AND THE METHYLOL DERIVATIVES MAY BE FURTHER MODIFIED BY ETHER FORMATION WITH LOWER MONOHYDRIC OR POLYHYDRIC ALKANOLS TO PRODUCE RESINS SOLUBLE IN AROMATIC HYDROCARBONS AND CAPABLE OF FORMING ORGANIC COATINGS ON METAL EITHER BY THEMSELVES OR IN COMBINATION WITH KNOWN FILM FORMING RESINS. THE COATINGS HAVE OUTSTANDING RESISTANCE TO ULTRAVIOLET RADIATION. TETRAOXASPIRO(5.5)UNDECANE 3,9-BIS((DI(NH2-)-1,3,5-TRIAZINYL)-CH2-R-)-2,4,8,10-
Inventors
- 👤 Yoko Hattori
- 👤 Tamiki Ooji
- 👤 Kiichiro Tanaka
- 👤 Takao Matsunaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:54
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C08G12/40; C08G12/42; C08G12/424; C08G12/425; C09; C09D; C09D161/00; C09D161/20; C09D161/32
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |