US3300274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating textiles with perfluoroacyl bis-(1-aziridine) compounds and resulting textile products
Assignee: Individual
•
Filing: 1963-10-22
•
Granted: 1967-01-24
•
Expires: 1983-10-22
Abstract
No abstract record available.
Inventors
- 👤 Allen G Pittman
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:25
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/08; C07D203/16; C07D203/18; C08; C08G; C08G73/00; C08G73/02; C08G73/0233; D; D06; D06M; D06M13/00; D06M13/322; D06M13/487; D06M13/493; D06M15/00; D06M15/19; D06M15/37; D06M15/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS OF TREATING TEXTILE MATERIAL TO IMPROVE ITS SHRINKAGE AND REPELLANCY PROPERTIES WHICH COMPRISES IMPREGNATING TEXTILE MATERIAL WITH A PERFLUOROACYL BIS (1-AZIRIDINE) OF THE STRUCTURE: BIS(AZIRIDIN-1-YL-CO-)-(CF2)N WHEREIN N IS AN INTEGER FROM 3 TO 10, DISPERSED IN AN INERT LIQUID, AND POLYMERIZING SAID AZIRIDINE COMPOUND ON THE TEXTILE MATERIAL.
Claim 2
Dependent Claim
50 words
A PROCESS OF TREATING TEXTILE MATERIAL TO IMPROVE ITS SHRINKAGE AND REPELLANCY PROPERTIES WHICH COMPRISES IMPREGNATING TEXTILE MATERIAL WITH A PERFLUOROACYL BIS (1-AZIRIDINE) OF THE STRUCTURE: BIS(AZIRIDIN-1-YL-CO-)-(CF2)N WHEREIN N IS AN INTEGER FROM 3 TO 10, DISPERSED IN AN INERT LIQUID, AND POLYMERIZING SAID AZIRIDINE COMPOUND ON THE TEXTILE MATERIAL.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |