Patent US3147066A successfully refreshed from Google Patents.
US3147066A
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Quaternized perfluoroalkane sulfonamido nu-halomethyl carboxylic amides and a process for treating textiles therewith
Assignee: 3M Co
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Filing: 1960-05-02
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Granted: 1964-09-01
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Harvey A Brown
- 👤 Robert J Koshar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:23
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07D215/00; C07D215/02; C07D215/04; C07D215/10; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
19 words
A CELLULOSIC FABRIC HAVINGN OIL- AND WATER-REPELLENT PROPERTIES TOGETHER WITTH SOIL RESISTANCE AND GOOD HAND, FINISHED WITTH OMEGA-(N-METHYL)-11-PERFLUOROOCTANESULFONAMIDOHENDECANAMIDOMETHYL PYRIDINIUMCHLORIDE.
Claim 4
Dependent Claim
19 words
A CELLULOSIC FABRIC HAVINGN OIL- AND WATER-REPELLENT PROPERTIES TOGETHER WITTH SOIL RESISTANCE AND GOOD HAND, FINISHED WITTH OMEGA-(N-METHYL)-11-PERFLUOROOCTANESULFONAMIDOHENDECANAMIDOMETHYL PYRIDINIUMCHLORIDE.
References Cited (Backward Citations)
US2146392A
Cited
US2233296A
Cited
US2292997A
Cited
US2216406A
Cited
US2412054A
Cited
US2809990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |