Patent US3232697A successfully refreshed from Google Patents.
US3232697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treatment
Assignee: ChampionX LLC
•
Filing: 1959-07-01
•
Granted: 1966-02-01
•
Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Saul B Needleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:48
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2311; Y10T442/2352; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE PROCESS OF RENDERING CELLULOSE FABRICS WRINKLERESISTANT AND IMPARTING OTHER IMPROVED PROPERTIES TO SUCH FABRICS WHICH CONSISTS ESSENTIALLY OF TREATING SUCH FABRICS AT AN ACIDIC PH WITH A POLAR SOLVENT SOLUTION CONSISTING ESSENTIALLY OF AT LEAST 1% BY WEIGHT OF AN N,N-DIMETHYLOL MONOAMIDE OF A SATURATED FATTY ACID SOLUBILIZED IN SAID POLAR SOLVENT, SAID FATTY ACID AMIDE WITHOUT THE METHYLOL GROUPS CONTAINING FROM 12 TO 22 CARBON ATOMS IN CHAIN LENGTH, AND THEN DRY CURING THE TREATED FABRIC AT A TEMPERATURE OF BETWEEN 140*C.. TO 190*C.
Claim 2
Dependent Claim
86 words
THE PROCESS OF RENDERING CELLULOSE FABRICS WRINKLERESISTANT AND IMPARTING OTHER IMPROVED PROPERTIES TO SUCH FABRICS WHICH CONSISTS ESSENTIALLY OF TREATING SUCH FABRICS AT AN ACIDIC PH WITH A POLAR SOLVENT SOLUTION CONSISTING ESSENTIALLY OF AT LEAST 1% BY WEIGHT OF AN N,N-DIMETHYLOL MONOAMIDE OF A SATURATED FATTY ACID SOLUBILIZED IN SAID POLAR SOLVENT, SAID FATTY ACID AMIDE WITHOUT THE METHYLOL GROUPS CONTAINING FROM 12 TO 22 CARBON ATOMS IN CHAIN LENGTH, AND THEN DRY CURING THE TREATED FABRIC AT A TEMPERATURE OF BETWEEN 140*C.. TO 190*C.
References Cited (Backward Citations)
CA517694A
Cited
US915680A
Cited
US1000487A
Cited
FR795112A
Cited
GB451116A
Cited
US2211976A
Cited
GB484691A
Cited
GB495714A
Cited
US2317756A
Cited
US2355265A
Cited
US2448125A
Cited
BE503294A
Cited
FR1037202A
Cited
US2676936A
Cited
BE566060A
Cited
US2985610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |