US3067141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric plastic composition
Assignee: Wyeth Holdings LLC
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Filing: 1960-11-07
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Granted: 1962-12-04
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Norbert M Bikales
- 👤 Wesley O Fugate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
C; C08; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/14; C08B11/155; C08L; C08L1/00; C08L1/08; C08L1/26; C08L1/28; C08L1/288; Y; Y10; Y10S; Y10S8/00; Y10S8/10; Y10S8/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF CYANOETHYLATED CELLULOSE AND FROM ABOUT ONE TO ABOUT SIXTY WEIGHT PERCENT OF THE TOTAL COMPOSITION OF CYANOETHYLATED POLYVINYL ALCOHOL, SAID CYANOETHYLATED CELLULOSE CONSTITUTING SUBSTANTIALLY THE ENTIRE REMAINDER, EACH OF SAID CYANOETHYLATED SUBSTITUENTS HAVING A NITROGEN CONTENT OF AT LEAST ABOUT 11.4 WEIGHT PERCENT AND SAID COMPOSITION BEING FURTHER CHARACTERIZED BY A DIELECTRIC CONSTANT NOT LESS THAN ABOUT NINE AND A DISSIPATION FACTOR NOT MORE THAN 0.028.
Claim 2
Dependent Claim
73 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF CYANOETHYLATED CELLULOSE AND FROM ABOUT ONE TO ABOUT SIXTY WEIGHT PERCENT OF THE TOTAL COMPOSITION OF CYANOETHYLATED POLYVINYL ALCOHOL, SAID CYANOETHYLATED CELLULOSE CONSTITUTING SUBSTANTIALLY THE ENTIRE REMAINDER, EACH OF SAID CYANOETHYLATED SUBSTITUENTS HAVING A NITROGEN CONTENT OF AT LEAST ABOUT 11.4 WEIGHT PERCENT AND SAID COMPOSITION BEING FURTHER CHARACTERIZED BY A DIELECTRIC CONSTANT NOT LESS THAN ABOUT NINE AND A DISSIPATION FACTOR NOT MORE THAN 0.028.
References Cited (Backward Citations)
US2951865A
Cited
US2918594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |