US3179482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silent electric discharge dyeing of wool
Assignee: Institut Français du Textile et de l'Habillement
•
Filing: 1961-01-31
•
Granted: 1965-04-20
•
Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 Kassenbeck Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:37
CPC Classifications
D; D06; D06M; D06M16/00; D06M16/006; D06C; D06C29/00; D06M10/00; D06M10/02; D06M10/025; D06M10/04; D06M10/08; D06P; D06P5/00; D06P5/12; D06P5/20; D06P5/2005; D06P5/2016; D06M2101/00; D06M2101/02; D06M2101/10; D06M2101/12; D06M2200/00; D06M2200/45; Y; Y10; Y10S; Y10S8/00; Y10S8/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
PROCESS FOR THE TREATMENT OF A MATERIAL CONTAINING KERATINOUS FIBERS, SAID PROCESS CONSISTING ESSENTIALLY OF ALTERING SAID KERATINOUS FIBERS WITH RESPECT TO THE FELTING PROPERTY THEREOF, AS WELL AS THE CAPABILITY THEREOF TO ACCEPT A DYE OR ANY CHEMICAL REACTIVE IN A LIQUID FORM, BY PERMANENTLY MODIFYING THE SURFACE ZONE OF SAID FIBERS AND ELIMINATING A PART OF THE SURFACE MATERIAL OF SAID SECOND AND OF SUFFICIENT VOLTAGE TO CAUSE IONIZATION OF THE RAREFIED ATMOSPHERE AND SILENT ELECTRIC DISCHARGE AND THEREAFTER APPLYING TO THE THUSLY TREATED MATERIAL HAVING THE ALTERED PROPERTIES IN THE SURFACE ZONE THEREOF A LIQUID DYE SOLUTION. ZONE BY PASSING THE MATERIAL IN A RAREFIED ATMOSPHERE FOR A PERIOD OF TIME OF ABOUT UP TO TEN MINUTES BETWEEN
Claim 2
Dependent Claim
121 words
PROCESS FOR THE TREATMENT OF A MATERIAL CONTAINING KERATINOUS FIBERS, SAID PROCESS CONSISTING ESSENTIALLY OF ALTERING SAID KERATINOUS FIBERS WITH RESPECT TO THE FELTING PROPERTY THEREOF, AS WELL AS THE CAPABILITY THEREOF TO ACCEPT A DYE OR ANY CHEMICAL REACTIVE IN A LIQUID FORM, BY PERMANENTLY MODIFYING THE SURFACE ZONE OF SAID FIBERS AND ELIMINATING A PART OF THE SURFACE MATERIAL OF SAID SECOND AND OF SUFFICIENT VOLTAGE TO CAUSE IONIZATION OF THE RAREFIED ATMOSPHERE AND SILENT ELECTRIC DISCHARGE AND THEREAFTER APPLYING TO THE THUSLY TREATED MATERIAL HAVING THE ALTERED PROPERTIES IN THE SURFACE ZONE THEREOF A LIQUID DYE SOLUTION. ZONE BY PASSING THE MATERIAL IN A RAREFIED ATMOSPHERE FOR A PERIOD OF TIME OF ABOUT UP TO TEN MINUTES BETWEEN
References Cited (Backward Citations)
US1338353A
Cited
US1933810A
Cited
US2366347A
Cited
US2580873A
Cited
US2810933A
Cited
US2724692A
Cited
US2728723A
Cited
US2940869A
Cited
US2956899A
Cited
US3057792A
Cited
US2977475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |