US3093608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding composition comprising aminoplast resin and cyclic sulphite and method of preparing same
Assignee: British Industrial Plastics Ltd
•
Filing: 1959-10-09
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Granted: 1963-06-11
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Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Vale Corwyn Philip
- 👤 Goodman Sidney
- 👤 Wilson Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
36 words
HOT PRESS MOULDING COMPOSITIONS COMPRISING AT LEAST ONE AMINE ALDEHYDE RESIN AND, AT MOST, ABOUT 5% BY WEIGHT, BASED ON THE DRY WEIGHT OF THE TOTAL MOULDING COMPOSITION, OF A MONOMERIC CYCLIC SULPHITE HAVING THE FORMULA
Claim 2
Dependent Claim
36 words
HOT PRESS MOULDING COMPOSITIONS COMPRISING AT LEAST ONE AMINE ALDEHYDE RESIN AND, AT MOST, ABOUT 5% BY WEIGHT, BASED ON THE DRY WEIGHT OF THE TOTAL MOULDING COMPOSITION, OF A MONOMERIC CYCLIC SULPHITE HAVING THE FORMULA
Claim 3
Dependent Claim
10 words
COMPOSITIONS ACCORDING TO CLAIM 1 COMPRISING ALSO A CELLULOSIC FILLER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |