US3765836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for creaseproofing cellulose-containing fabric with glyoxal-urea-formaldehyde reaction product and a boron compound
Assignee: Union Carbide Corp
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Filing: 1970-03-04
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Granted: 1973-10-16
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Expires: 1990-03-04
Abstract
Abstract In combination glyoxal and a boron containing compound selected from the group consisting of the alkali metal borates and boric acid, the combination being incorporable into a resin forming reaction mixture to produce a durable press finish, and an improved process for treating textile fabrics with the same thereby yielding a treated fabric of significantly less discoloration then heretofore known and one exhibiting at the same time, improved strength properties.
Inventors
- 👤 R Readshaw
- 👤 G Lourigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/80; D06M11/82; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
The process of claim 1 wherein said sodium metaborate is added in an amount ranging between about 6 and 14 weight percent.
Claim 2
Dependent Claim
17 words
A process according to claim 1 wherein said textile fabric is a blend of polyester and cotton.
Claim 3
Dependent Claim
12 words
A process according to claim 1 wherein said textile fabric is cotton.
Claim 4
Dependent Claim
12 words
A process according to claim 1 wherein said textile fabric is rayon.
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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |