US2594899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing paste comprising a vat dye carried in a water-in-oil emulsion, said oil being a liquid hydrocarbon in which an alkyd resin is dissolved
Assignee: Wyeth Holdings LLC
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Filing: 1949-09-08
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Granted: 1952-04-29
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Expires: 1969-09-08
Abstract
No abstract record available.
Inventors
- 👤 Fordemwalt Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:19
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A STABLE, COLOR-PRINTING PASTE HAVING A VISCOSITY OF 10-100 POISES AND COMPRISING A WATERINSOLUBLE VAT COLOR DISSEMINATED THROUGH A CARRIER; SAID CARRIER COMPRISING A WATER-IN-OIL TYPE EMULSION HAVING AN AQUEOUS INNER PHASE CONTAINING WATER-SOLUBLE ELECTROLYTES, INCLUDING (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL HYDROXIDES AND CARBONATES, (B) A WATER-SOLUBLE, FORMALDEHYDE-SULFOXYLATE SALT, AND (C) A WATER-SOLUBLE LIGNIN SULFONATE SALT, SUSPENDED IN AN EXTERNAL OIL PHASE COMPRISING 1060% BY WEIGHT OF THE PRINTING PASTE, SAID OIL BEING SELECTED FROM THE LOW-VISCOSITY LIQUID HYDROCARBONS HAVING A DISTILLING RANGE OF FROM 80*400* C., AND HAVING DISSOLVED THEREIN FROM 4-8% BY WEIGHT OF THE OIL AN OIL-SOLUBLE, DRYING-OILMODIFIED, THERMOSETTING ALKYD RESIN.
Claim 2
Dependent Claim
111 words
A STABLE, COLOR-PRINTING PASTE HAVING A VISCOSITY OF 10-100 POISES AND COMPRISING A WATERINSOLUBLE VAT COLOR DISSEMINATED THROUGH A CARRIER; SAID CARRIER COMPRISING A WATER-IN-OIL TYPE EMULSION HAVING AN AQUEOUS INNER PHASE CONTAINING WATER-SOLUBLE ELECTROLYTES, INCLUDING (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL HYDROXIDES AND CARBONATES, (B) A WATER-SOLUBLE, FORMALDEHYDE-SULFOXYLATE SALT, AND (C) A WATER-SOLUBLE LIGNIN SULFONATE SALT, SUSPENDED IN AN EXTERNAL OIL PHASE COMPRISING 1060% BY WEIGHT OF THE PRINTING PASTE, SAID OIL BEING SELECTED FROM THE LOW-VISCOSITY LIQUID HYDROCARBONS HAVING A DISTILLING RANGE OF FROM 80*400* C., AND HAVING DISSOLVED THEREIN FROM 4-8% BY WEIGHT OF THE OIL AN OIL-SOLUBLE, DRYING-OILMODIFIED, THERMOSETTING ALKYD RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |