US3131157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid resinous composition comprising melamine formaldehyde condensate and nitro compounds
Assignee: Catalin Corp of America
•
Filing: 1960-10-05
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Granted: 1964-04-28
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Expires: 1980-10-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Hyman
- 👤 Kordzinski Stanley
- 👤 Bills Charles Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN IMPROVED LIQUID RESINOUS COMPOSITION WHICH COMPRISES A MIXTURE OF A MELAMINE-FORMALDYDE HYDE CONDENSATE OF 1 MOL MELAMINE AND FROM ABOUT 1.5 TO 4.5 MOLS FORMALDEHYDE AND FROM ABOUT 0.5% TO ABOUT 13%, BASED ON THE WEIGHT OF SAID CONDENSATE, OF AN ORGANIC NITRO COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
48 words
AN IMPROVED LIQUID RESINOUS COMPOSITION WHICH COMPRISES A MIXTURE OF A MELAMINE-FORMALDYDE HYDE CONDENSATE OF 1 MOL MELAMINE AND FROM ABOUT 1.5 TO 4.5 MOLS FORMALDEHYDE AND FROM ABOUT 0.5% TO ABOUT 13%, BASED ON THE WEIGHT OF SAID CONDENSATE, OF AN ORGANIC NITRO COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2457404A
Cited
US2484315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |