US3454351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating nylon products
Assignee: Monsanto Co
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Filing: 1966-07-06
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Granted: 1969-07-08
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Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 Eli Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/192; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR INCREASING THE BASIC DYE RECEPTIVITY AND THE ACID DYE RESISTANCE OF THE ARTICLES PRODUCED FROM POLYHEXAMETHYLENE ADIPAMIDE, COMPRISING THE STEPS OF: (A) COMPLETELY DRYING SAID POLYHEXAMETHYLENE ADIPAMIDE ARTICLE; (B) REACTING SAID ARTICLE, FOR A PERIOD OF BETWEEN 1 AND 24 HOURS, WITH A SOLUTION, MAINTAINED BETWEEN 60* C. AND 110*C., SAID SOLUTION CONSISTING ESSENTIALLY OF 0.1 TO 1.0 MOLE PER LITER OF A REAGENT OF THE GENERAL FORMULA,
Claim 2
Dependent Claim
71 words
A PROCESS FOR INCREASING THE BASIC DYE RECEPTIVITY AND THE ACID DYE RESISTANCE OF THE ARTICLES PRODUCED FROM POLYHEXAMETHYLENE ADIPAMIDE, COMPRISING THE STEPS OF: (A) COMPLETELY DRYING SAID POLYHEXAMETHYLENE ADIPAMIDE ARTICLE; (B) REACTING SAID ARTICLE, FOR A PERIOD OF BETWEEN 1 AND 24 HOURS, WITH A SOLUTION, MAINTAINED BETWEEN 60* C. AND 110*C., SAID SOLUTION CONSISTING ESSENTIALLY OF 0.1 TO 1.0 MOLE PER LITER OF A REAGENT OF THE GENERAL FORMULA,
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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |