US2585967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water dispersible dry preparations of hardenable binding agents
Assignee: BASF Schweiz AG
•
Filing: 1948-02-17
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Granted: 1952-02-19
•
Expires: 1968-02-17
Abstract
No abstract record available.
Inventors
- 👤 Schibler Luzius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C09D161/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A COMPOSITION OF MATTER COMPRISING A POWDER WHICH CONSISTS OF A WATER-INSOLUBLE HARDENABLE CONDENSATE OF (A) FORMALDEHYDE, (B) A HARDENABLE AMINOPLASTS-FORMING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UREA, THIOUREA, GUANIDIEN, BIURET, DICYANDIAMIDE AND MELAMINE, AND (C) A SUBSTANTIALLY WATER-IMMISCIBLE ALCOHOL, A SOLUBLE PROTEIN PRODUCT SELECTED FROM THE GROUP CONSISTING OF A SOLUBLE CASEINATE, GELATINE AND FISH GLUE AND A HYDROTROPIC CARBAMIDE SELECTED FROM THE GROUP CONSISTING OF UREA AND THIOUREA, WHICH COMPOSITION UPON MIXING WITH WATER YIELDS A HOMOGENEOUS DISPERSION.
Claim 2
Dependent Claim
81 words
A COMPOSITION OF MATTER COMPRISING A POWDER WHICH CONSISTS OF A WATER-INSOLUBLE HARDENABLE CONDENSATE OF (A) FORMALDEHYDE, (B) A HARDENABLE AMINOPLASTS-FORMING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UREA, THIOUREA, GUANIDIEN, BIURET, DICYANDIAMIDE AND MELAMINE, AND (C) A SUBSTANTIALLY WATER-IMMISCIBLE ALCOHOL, A SOLUBLE PROTEIN PRODUCT SELECTED FROM THE GROUP CONSISTING OF A SOLUBLE CASEINATE, GELATINE AND FISH GLUE AND A HYDROTROPIC CARBAMIDE SELECTED FROM THE GROUP CONSISTING OF UREA AND THIOUREA, WHICH COMPOSITION UPON MIXING WITH WATER YIELDS A HOMOGENEOUS DISPERSION.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |