Patent US3782895A successfully refreshed from Google Patents.
US3782895A
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Electrostatic dyeing with microcapsules containing dyes in liquids of high dielectric constant
Assignee: Sandoz AG
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Filing: 1971-11-16
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Granted: 1974-01-01
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Expires: 1991-11-16
Abstract
Abstract A PROCESS FOR THE DYEING A PRINTING OF TEXTILES WHICH IS CHARACTERIZED BY THE USE OF DYEING PREPARATIONS IN THE FORM OF PARTICLES CONSISTING OF A HIGH RESISTIVE, HIGH MOLECULAR WEIGHT POLYMER (A) AS CARRIER, IN WHICH ARE ENCAPSULATED A DYE 8B) AND A LIQUID (C) WITH A HIGH DIELECTRIC CONSTANT IN WHICH THE POLYMER (A) IS VIRTUALLY FREE FROM SWELLING, AND OPTIONALLY KNOWN ASSISTANTS, DISPRESING AGENTS AND SOLVENTS, SAID DYING PREPARATIONS BEING APPLIED TO THE TEXTILE SUBSTRATE WITH THE AID OF AN ELECTROSTATIC FIELD AND THEN FIXED.
Inventors
- 👤 H Goorhuis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:20
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/20; D06P5/2016; C; C09; C09B; C09B67/00; C09B67/0097; D06P1/00; D06P1/0096
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |