US3067168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic polyamides stabilized with thermally stable ionic tin salts
Assignee: EIDP Inc
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Filing: 1960-05-13
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Granted: 1962-12-04
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Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 William A B Purdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:54
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/32; C08K3/16; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COMPOSITION OF MATTER COMPRISING A SYNTHETIC LINEAR POLYAMIDE TAKEN FROM THE GROUP CONSISTING OF POLYHEZAMETHYLENE ADIPAMIDE AND POLYCAPROAMIDE, SAID POLYAMIDE CONTAINING A TRACE OF THERMALLY STABLE IONIC TIN SALT IN A AMOUNT NOT EXCEEDING 0.10 MOL PERCENT (BASED ON THE REPEAT UNIT OF THE POLYAMIDE).
Claim 2
Dependent Claim
46 words
A COMPOSITION OF MATTER COMPRISING A SYNTHETIC LINEAR POLYAMIDE TAKEN FROM THE GROUP CONSISTING OF POLYHEZAMETHYLENE ADIPAMIDE AND POLYCAPROAMIDE, SAID POLYAMIDE CONTAINING A TRACE OF THERMALLY STABLE IONIC TIN SALT IN A AMOUNT NOT EXCEEDING 0.10 MOL PERCENT (BASED ON THE REPEAT UNIT OF THE POLYAMIDE).
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) | 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 |