US3637548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melamine molding composition
Assignee: Standard Oil Co
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Filing: 1970-04-24
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Granted: 1972-01-25
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Expires: 1990-04-24
Abstract
Abstract A PROCESS FOR PRODUCING AN IMPROVED MELAMINE-FORMALDEHYDE MOLDING COMPOSITION AND MOLDED ARTICLES THEREFROM COMPRISES INCORPORATING INTO THE STANDARD MELAMINEFORMALDEHYDE "POPCORN" OR MOLDING POWDER FROM ABOUT 1 TO 50 PERCENT BY WEIGHT OF A CURED, PULVERIZED MELAMINEFORMALDEHYDE POLYMER COMPOSITION BASED ON THE TOTAL WEIGHT OF THE MOLDING POWDER FORMULATION.
Inventors
- 👤 Norman W Standish
- 👤 Richard W Yanik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:32
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/06; C08J3/00; C08J3/24; C08L; C08L61/00; C08L61/20; C08L61/26; C08L61/28; C08J2361/00; C08J2361/20; C08J2361/26; C08J2361/28; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |