US3207620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light stabilization of nylon
Assignee: Wyeth Holdings LLC
•
Filing: 1962-05-18
•
Granted: 1965-09-21
•
Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Philip B Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:06
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/152
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A METHOD FOR THE STABILIZATION OF A SOLID HYDROPHOBIC SUPERPOLYAMIDE POLYMERIC MATERIAL WHICH COMPRISES APPLYING THERETO A LIQUID DISPERSION CONTAINING STABILIZING AMOUNTS OF A COMPOUND OF THE GENERAL STRUCTURE
Claim 2
Independent Claim
29 words
A METHOD FOR THE STABILIZATION OF A SOLID HYDROPHOBIC SUPERPOLYAMIDE POLYMERIC MATERIAL WHICH COMPRISES APPLYING THERETO A LIQUID DISPERSION CONTAINING STABILIZING AMOUNTS OF A COMPOUND OF THE GENERAL STRUCTURE
References Cited (Backward Citations)
US2899341A
Cited
US2086418A
Cited
US2434662A
Cited
US2790739A
Cited
US2823093A
Cited
US2920978A
Cited
US3049443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |