Patent US3794544A successfully refreshed from Google Patents.
US3794544A
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US
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Process for printing leather
Assignee: Novartis AG
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Filing: 1971-02-10
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Granted: 1974-02-26
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Expires: 1991-02-10
Abstract
Abstract THE INVENTION RELATES TO A PROCESS FOR PRINTING NATURAL OR SYNTHETIC LEATHER, WHEREIN THE SURFACE TO BE PRINTED IS BROUGHT INTO CONTACT WITH A TEMPORATY CARRIER OF PAPER, ALUMINUM OR REGENERATED CELLULOSE, COMPRISING A TRANSFERABLE FILM OF VINYL RESIN AND ONE OR MORE PIGMENTS, AND AN UNDERLYING LAYER OF ETHYL CELLULOSE, OR OF A MIXTURE OF NITROCELLULOSE AND AN AMINOPLAST, AND THAT THE TEMPORARY CARRIER IS SEPARATED FROM THE ULTIMATE CARRIER.
Inventors
- 👤 P Eckert
- 👤 W Egli
- 👤 H Osolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:22
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/003; B; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; C; C14; C14B; C14B1/00; C14B1/44; C14B1/56; D06N; D06N3/00; D06N3/0086; D06N3/0095; D06P3/00; D06P3/02; D06P3/04; D06P3/32; C14B2700/00; C14B2700/18; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |