US3282865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of hexamethoxymethyl-melamine with viscous plasticizers
Assignee: Formica Corp
•
Filing: 1963-09-27
•
Granted: 1966-11-01
•
Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Spencer Frank Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:28
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J2361/00; C08J2361/20; C08J2361/26; C08J2361/28; C08J2429/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COMPOSITION CAPABLE OF EXPANDING TO A HARD, RIGID FOAM COMPRISING A BLEND OF (A) FROM ABOUT 99% TO 70% BY WEIGHT OF HEXAMETHOXYMETHYLMELAMINE, (B) FROM ABOUT 1% TO 30% BY WEIGHT OF POLYVINYLBUTYRAL, (C) FROM ABOUT 2% TO 25% BY WEIGHT OF A NITROGENOUS BLOWING AGENT, AND (D) FROM ABOUT 0.01% TO 5.0% BY WEIGHT OF AN ACID CATALYST, THE WEIGHT OF EACH INGREDIENT BEING BASED ON THE TOTAL WEIGHT OF (A) AND (B).
Claim 2
Dependent Claim
75 words
A COMPOSITION CAPABLE OF EXPANDING TO A HARD, RIGID FOAM COMPRISING A BLEND OF (A) FROM ABOUT 99% TO 70% BY WEIGHT OF HEXAMETHOXYMETHYLMELAMINE, (B) FROM ABOUT 1% TO 30% BY WEIGHT OF POLYVINYLBUTYRAL, (C) FROM ABOUT 2% TO 25% BY WEIGHT OF A NITROGENOUS BLOWING AGENT, AND (D) FROM ABOUT 0.01% TO 5.0% BY WEIGHT OF AN ACID CATALYST, THE WEIGHT OF EACH INGREDIENT BEING BASED ON THE TOTAL WEIGHT OF (A) AND (B).
References Cited (Backward Citations)
US2546841A
Cited
US2697086A
Cited
US3093600A
Cited
US3160596A
Cited
US3211676A
Cited
US3211806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |