US2632740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-phase emulsion of artificial resins
Assignee: BASF Schweiz AG
•
Filing: 1948-12-21
•
Granted: 1953-03-24
•
Expires: 1968-12-21
Abstract
No abstract record available.
Inventors
- 👤 Schibler Luzius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A THREE-PHASE EMULSION OF ARTIFICIAL RESINS, ESPECIALLY SUITABLE FOR IMPROVING TEXTILES, OF WHICH THE EXTERNAL PHASE IS A PIGMENT-CONTAINING AQUEOUS PHASE AND CONSISTS OF A POTEIN SOLUTION CONTAINING AT LEAST ONE HYDROTROPIC CARBAMIDE OF THE GROUP CONSISTING OF UREA AND THIOUREA, OF WHICH THE FIRST INTERNAL OILY PHASE CONSISTS OF A SOLUTION, IN A SUBSTANTIALLY WATER-IMMISCIBLE ALCOHOL OF A WATER-INSOLUBLE HARDENABLE CONDENSATE OF FORMALDEHYDE WITH AT LEAST ONE AMINOPLAST-FORMING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UREA, THIOUREA, GUANIDINE, BIURET, DICYANDIAMIDE AND MELAMIDE AND WITH A SUBSTANTIALLY WATER-IMMISCIBLE ALCOHOL, AND OF WHICH THE SECOND INTERNAL OILY PHASE CONSISTS OF AN INERT ORGANIC WATER-IMMISCIBLE SOLVENT BOILING NOT APPRECIABLY BELOW 100* C. AND NOT APPRECIABLY ABOVE 200* C. AND WHICH DOES NOT DISSOLVE THE WATER-INSOLUBLE CONDENSATE.
Claim 2
Dependent Claim
124 words
A THREE-PHASE EMULSION OF ARTIFICIAL RESINS, ESPECIALLY SUITABLE FOR IMPROVING TEXTILES, OF WHICH THE EXTERNAL PHASE IS A PIGMENT-CONTAINING AQUEOUS PHASE AND CONSISTS OF A POTEIN SOLUTION CONTAINING AT LEAST ONE HYDROTROPIC CARBAMIDE OF THE GROUP CONSISTING OF UREA AND THIOUREA, OF WHICH THE FIRST INTERNAL OILY PHASE CONSISTS OF A SOLUTION, IN A SUBSTANTIALLY WATER-IMMISCIBLE ALCOHOL OF A WATER-INSOLUBLE HARDENABLE CONDENSATE OF FORMALDEHYDE WITH AT LEAST ONE AMINOPLAST-FORMING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UREA, THIOUREA, GUANIDINE, BIURET, DICYANDIAMIDE AND MELAMIDE AND WITH A SUBSTANTIALLY WATER-IMMISCIBLE ALCOHOL, AND OF WHICH THE SECOND INTERNAL OILY PHASE CONSISTS OF AN INERT ORGANIC WATER-IMMISCIBLE SOLVENT BOILING NOT APPRECIABLY BELOW 100* C. AND NOT APPRECIABLY ABOVE 200* C. AND WHICH DOES NOT DISSOLVE THE WATER-INSOLUBLE CONDENSATE.
References Cited (Backward Citations)
US2356794A
Cited
US2361277A
Cited
US2310795A
Cited
US2292200A
Cited
US2342641A
Cited
GB561641A
Cited
US2364692A
Cited
US2453752A
Cited
US2586098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |