US2537064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of organic textile materials and products thereof
Assignee: Wyeth Holdings LLC
•
Filing: 1946-08-30
•
Granted: 1951-01-09
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kropa
- 👤 Arthur S Nyquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; D06M14/00; D06M15/21; D06M15/227; D06M15/233; D06M15/356; D06M15/3562; Y; Y10; Y10S; Y10S8/00; Y10S8/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS OF TREATING HYDROGEN-DONOR TEXTILE MATERIAL TO IMPROVE THE PROPERTIES THEREOF WHICH COMPRISES (1) TREATING SAID TEXTILE MATERIAL WITH A COMPOSITION COMPRISING A REACTIVE PRODUCT OF POLYMERIZATION OF A POLYMERIZABLE MIXTURE INCLUDING (A) A PRIMARY ISOCYANATE REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
42 words
A PROCESS OF TREATING HYDROGEN-DONOR TEXTILE MATERIAL TO IMPROVE THE PROPERTIES THEREOF WHICH COMPRISES (1) TREATING SAID TEXTILE MATERIAL WITH A COMPOSITION COMPRISING A REACTIVE PRODUCT OF POLYMERIZATION OF A POLYMERIZABLE MIXTURE INCLUDING (A) A PRIMARY ISOCYANATE REPRESENTED BY THE GENERAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |