US2859086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process utilizing phosphorinanyl derivatives for dyeing articles made from acrylonitrile-containing polymers
Assignee: Union Carbide Corp
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Filing: 1954-09-27
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Granted: 1958-11-04
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Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Theophilus A Feild
- 👤 Archie G Schoonover
- 👤 John H Purse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:19
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/667; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
PROCESS FOR DYEING TEXTILE ARTICLE MADE FROM RESINOUS POLYACRYLONITRILES AND POLYMERS OF ACRYLONITRILE WITH AT LEAST ONE OTHER VINYL COMPOUND, WHICH COMPRISES TREATING SAID ARTICLE WITH AN AQUEOUS BATH CONTAINING A PHOSPHORUS-CONTAINING DYEING ASSISTANT AND A DISPERSING AGENT FOR SAID ASSISTANT, THE SAID DYEING ASSISTANT BEING A COMPOUND HAVING A STRUCTURE CORRESPONDING TO THE FORMULA:
Claim 2
Dependent Claim
55 words
PROCESS FOR DYEING TEXTILE ARTICLE MADE FROM RESINOUS POLYACRYLONITRILES AND POLYMERS OF ACRYLONITRILE WITH AT LEAST ONE OTHER VINYL COMPOUND, WHICH COMPRISES TREATING SAID ARTICLE WITH AN AQUEOUS BATH CONTAINING A PHOSPHORUS-CONTAINING DYEING ASSISTANT AND A DISPERSING AGENT FOR SAID ASSISTANT, THE SAID DYEING ASSISTANT BEING A COMPOUND HAVING A STRUCTURE CORRESPONDING TO THE FORMULA:
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |