US3751388A
Expired / Lapsed
US
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Modified polyphenylene oxide composition containing a fatty acid bisamide either alone or in admixture with a metal salt of a fatty acid
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1972-02-14
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Granted: 1973-08-07
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Expires: 1992-02-14
Abstract
Abstract A MODIFIED POLYPHENYLENE OXIDE COMPOSITION WITH IMPROVED PROCESSABILITY COMPRISING A MODIFIED POLYPHENYLENE OXIDE, WHICH IS PREPARED BY POLYMERIZING AT LEAST ONE UNSUBSTITUTED OR SUBSTITUTED STRYRENE COMPOUND IN THE PRESENCE OF A POLYPHENYLENE OXIDE WITH OR WITHOUT A RUBBERY POLYMER, AND AN ADDITIVE SELECTED FROM THE GROUP CONSISTING OF A FATTY ACID BISAMIDE AND A MIXTURE OF THE FATTY ACID BISAMIDE AND A METALLIC SALT OF A FATTY ACID. SAID COMPOSITION HAS A LOW MOLDING TEMPERATURE AND AN IMPROVED MOLDABILITY. THE MOLD RELEASING PROPERTY AND THE SURFACE APPEARANCE OF THE MOLDED ARTICLES ARE ALSO SATISFACTORY.
Inventors
- 👤 M Tabana
- 👤 T Okumura
- 👤 K Yasuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:44
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/06; C08F283/08
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |