Patent US2887462A successfully refreshed from Google Patents.
US2887462A
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Polyester or polyamide-manganous salt composition and process of preparing same
Assignee: EIDP Inc
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Filing: 1955-01-26
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Granted: 1959-05-19
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Expires: 1975-01-26
Abstract
No abstract record available.
Inventors
- 👤 James G Van Oot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08G; C08G63/00; C08G63/78; C08G63/82; C08G63/83; C08K3/00; C08K3/10; C08K3/11; C08L; C08L77/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
COMPOSITION COMPRISING SUBSTANTIALLY COLOR-FREE FIBER-FORMING SYNTHETIC LINEAR CONDENSATION POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES AND POLYESTERS CONTAINING BETWEEN ABOUT 10 AND ABOUT 400 PARTS PER MILLION OF MANGANESE IN THE FORM OF A MANAGANOUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF MANGANOUS OXALATE, MANGANOUS HYPOPHOSPHITE, MANGANOUS SULFITE, MANGANOUS SULFIDE, AND MANAGNOUS SELENIDE.
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |