Patent US4396391A successfully refreshed from Google Patents.
US4396391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating cellulose textile fabrics with dimethylol dihydroxyethyleneurea-polyol
Assignee: Omnova Services Inc
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Filing: 1982-06-30
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Granted: 1983-08-02
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Expires: 2002-06-30
Abstract
Abstract The products of the reaction of dimethyloldihydroxyethylene urea (DMDHEU) or an alkylated DMDHEU with a polyol impart permanent press properties to a textile fabric and contain only a small amount of free formaldehyde.
Inventors
- 👤 Bernard F. North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:46
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
28 words
A composition for treating a cellulose textile fabric which comprises the product of the reaction of (a) dimethyloldihydroxyethylene urea or an alkylated dimethyloldihydroxyethylene urea with (b) a polyol.
Claim 2
Dependent Claim
28 words
A composition for treating a cellulose textile fabric which comprises the product of the reaction of (a) dimethyloldihydroxyethylene urea or an alkylated dimethyloldihydroxyethylene urea with (b) a polyol.
Claim 3
Dependent Claim
15 words
The product of claim 1 wherein the ratio of amounts of (a):(b) is about 1-0.2:1-6.
Claim 4
Dependent Claim
15 words
The product of claim 1 wherein the ratio of amounts of (a):(b) is about 1-0.5:1-3.0.
Claim 5
Dependent Claim
11 words
The product of claim 1 wherein the polyol is diethylene glycol.
Claim 6
Dependent Claim
11 words
The product of claim 1 wherein the polyol is ethylene glycol.
Claim 7
Dependent Claim
36 words
A process for producing a crease-resistant cellulose textile fabric which comprises impregnating a textile with a solution of the composition of claim 1 and a catalyst and heating the impregnated textile to cure the composition thereon.
Claim 8
Dependent Claim
12 words
A crease-resistant cellulose textile fabric produced by the process of claim 6.
Claim 9
Dependent Claim
18 words
The product of the reaction of (a) dimethyloldihydroxyethylene urea or an alkylated dimethyloldihydroxyethylene urea with (b) a polyol.
Claim 10
Dependent Claim
18 words
The product of the reaction of (a) dimethyloldihydroxyethylene urea or an alkylated dimethyloldihydroxyethylene urea with (b) a polyol.
Claim 11
Dependent Claim
11 words
The product of claim 8 wherein the polyol is diethylene glycol.
Claim 12
Dependent Claim
11 words
The product of claim 8 wherein the polyol is ethylene glycol.
Claim 13
Dependent Claim
44 words
A process for preparing the product of claim 8 which comprises reacting (a) dimethyloldihydroxyethylene urea or an alkylated dimethyloldihydroxyethylene urea with (b) a polyol at about 10° to 100° C. for about 1 to 18 hours at a pH of about 1.0 to 6.0.
Claim 14
Dependent Claim
37 words
The process of claim 11 wherein (a) and (b) are reacted at a temperature within the range of about 50° to 80° C. for about 2 to 6 hours at a pH of about 2.0 to 4.0.
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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) | 1986-08-01 | 1987-01-31 | 1987-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-01 | 1991-01-31 | 1991-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-01 | 1995-01-31 | 1995-08-02 | $7700.00 | Window Closed / Lapsed |