US3149998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color stabilized articles and process for preparing same
Assignee: EIDP Inc
•
Filing: 1962-08-01
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Granted: 1964-09-22
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Thurmaier Roland Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:47
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/14; C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/24; C08K5/25; D06M13/00; D06M13/322; D06M13/402; D06M13/422; Y; Y10; Y10S; Y10S264/00; Y10S264/77; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T442/00; Y10T442/20; Y10T442/2549; Y10T442/2861
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS FOR ACID FUME STABILIZING SPANDEX FIBERS WHICH COMPRISES APPLYING THERETO A TREATING COMPOSITION CONTAINING A COMPOUND SELECTED FROM THE CLASS CONSISTING OF HYDRAZIDES AND CARBAZIDES CONTAINING THE RADICAL -CX-NH-CH2 WHEREIN X IS SELECTED FROM THE CLASS CONSISTING OF OXYGEN AND SULFUR AND THE FREE VALENCE OF SAID RADICAL IS SATISFIED BY A GROUP HAVING NO SUBSTITUENTS REACTIVE WITH SAID RADICAL.
Claim 2
Dependent Claim
62 words
THE PROCESS FOR ACID FUME STABILIZING SPANDEX FIBERS WHICH COMPRISES APPLYING THERETO A TREATING COMPOSITION CONTAINING A COMPOUND SELECTED FROM THE CLASS CONSISTING OF HYDRAZIDES AND CARBAZIDES CONTAINING THE RADICAL -CX-NH-CH2 WHEREIN X IS SELECTED FROM THE CLASS CONSISTING OF OXYGEN AND SULFUR AND THE FREE VALENCE OF SAID RADICAL IS SATISFIED BY A GROUP HAVING NO SUBSTITUENTS REACTIVE WITH SAID RADICAL.
References Cited (Backward Citations)
US3095322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |