US2653140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile finishing compositions
Assignee: PPG Architectural Coatings Canada Inc
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Filing: 1952-11-19
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Granted: 1953-09-22
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Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 Allenby Owen Clement Wentworth
- 👤 Mackenzie James Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:21
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A TEXTILE FINISHING COMPOSITION COMPRISING AS ESSENTIAL INGREDIENTS STARCH, DIMETHYLOL UREA, AND A WATER-SOLUBLE SALT OF A THERMOPLASTIC COPOLYMER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID AND CROTONIC ACID, AN AMIDE SELECTED FROM THE GROUP CONSISTING OF ACRYLAMIDE, METHACRYLAMIDE AND CROTONAMIDE, AND AT LEAST ONE OTHER POLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, VINYL ACETATE AND LOWER ALKYL ESTERS OF ACRYLIC ACID AND METHACRYLIC ACID.
Claim 2
Dependent Claim
75 words
A TEXTILE FINISHING COMPOSITION COMPRISING AS ESSENTIAL INGREDIENTS STARCH, DIMETHYLOL UREA, AND A WATER-SOLUBLE SALT OF A THERMOPLASTIC COPOLYMER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID AND CROTONIC ACID, AN AMIDE SELECTED FROM THE GROUP CONSISTING OF ACRYLAMIDE, METHACRYLAMIDE AND CROTONAMIDE, AND AT LEAST ONE OTHER POLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, VINYL ACETATE AND LOWER ALKYL ESTERS OF ACRYLIC ACID AND METHACRYLIC ACID.
References Cited (Backward Citations)
US2378169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |