US3821175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable aqueous emulsions of vinyl ether/acrylate/n-alkylol acrylamideterpolymers and treatment of textiles therewith
Assignee: ISP Investments LLC
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Filing: 1971-12-29
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Granted: 1974-06-28
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Expires: 1991-12-29
Abstract
Abstract A terpolymer structure comprising the following repeating units, WHEREIN R and R1 are C1- C18 alkyl, R2 is hydrogen or methyl, R3 is hydrogen, C1-18 alkyl, arylakyl, or aryl and R4 is hydrogen, C1-18 alkyl or cycloalkyl and wherein said structure contains approximately by weight 10 to 25 parts of unit I, 85 to 75 parts of unit II and 2 to 7 parts of unit III and a method of treating cellulosic fabric with a latex derived therefrom.
Inventors
- 👤 W Daniels
- 👤 J Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:17
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2279
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
16 words
A terpolymer as defined in claim 1 wherein unit I is derived from ethyl vinyl ether.
Claim 2
Dependent Claim
16 words
A terpolymer as defined in claim 1 wherein unit I is derived from isobutyl vinyl ether.
Claim 3
Dependent Claim
14 words
A terpolymer as defined in claim 1 wherein unit II is derived from n-butylacrylate.
Claim 4
Dependent Claim
14 words
A terpolymer as defined in claim 1 wherein unit II is derived from ethylarcrylate.
Claim 5
Dependent Claim
15 words
A terpolymer as defined in claim 1 wherein unit II is derived from hexyl acrylate.
Claim 6
Dependent Claim
15 words
A terpolymer as defined in claim 1 wherein unit III is derived from N-methylol acrylamide.
Claim 7
Dependent Claim
16 words
A terpolymer as defined in claim 7 wherein unit I is derived from isobutyl vinyl ether.
Claim 8
Dependent Claim
25 words
A terpolymer as defined in claim 8 wherein unit II is derived from a member of the grOup consisting of ethyl acrylate and n-butyl acrylate.
Claim 9
Dependent Claim
15 words
A terpolymer as defined in claim 7 wherein unit II is derived from ethyl acrylate.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |