Patent US4536600A successfully refreshed from Google Patents.
US4536600A
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Polyoxyalkylenepolyacrylamides and the preparation thereof
Assignee: Huntsman Corp
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Filing: 1983-05-25
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Granted: 1985-08-20
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Expires: 2003-05-25
Abstract
Abstract Novel polyoxyalkylenepolyacrylamide compounds useful as adhesives are disclosed. These novel compounds are prepared by mixing and reacting di- and tri-functional polyoxyalkylenepolyamines with an acrylate such as metharylic acid or methylmethacrylate at an elevated temperature and pressure.
Inventors
- 👤 Ernest L. Yeakey
- 👤 Lewis W. Watts, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:59
CPC Classifications
C; C09; C09J; C09J171/00; C09J171/02; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/331; C08G65/332; C08G65/3322; C09J4/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
24 words
A compound of the formula O[(CH.sub.2 CH.sub.2 O).sub.A (CH.sub.2 CH(CH.sub.3)O).sub.B CH.sub.2 CH(CH.sub.3)NH(COC(CH.sub.3)=CH.sub.2)].sub.2 wherein A+B has an average value of about 2 to about 45.
Claim 2
Dependent Claim
24 words
A compound of the formula O[(CH.sub.2 CH.sub.2 O).sub.A (CH.sub.2 CH(CH.sub.3)O).sub.B CH.sub.2 CH(CH.sub.3)NH(COC(CH.sub.3)=CH.sub.2)].sub.2 wherein A+B has an average value of about 2 to about 45.
Claim 3
Dependent Claim
90 words
A mixture of compounds of the formula ##STR9## wherein (A+B+D+E+F+G) has an average value of about 6 to about 35; A, B, D, E, F, G are all greater than or equal to 1; x, y, z are 0 or 1; provided if x=0, g is 1 and conversely g is 0 if x=1; if y=0, h is 1 and conversely h is 0 if y=1; if z=0, i is 1 and conversely i is 0 if z=1; provided further, at least one of x, y, z must be 1.
Claim 4
Dependent Claim
90 words
A mixture of compounds of the formula ##STR9## wherein (A+B+D+E+F+G) has an average value of about 6 to about 35; A, B, D, E, F, G are all greater than or equal to 1; x, y, z are 0 or 1; provided if x=0, g is 1 and conversely g is 0 if x=1; if y=0, h is 1 and conversely h is 0 if y=1; if z=0, i is 1 and conversely i is 0 if z=1; provided further, at least one of x, y, z must be 1.
Claim 5
Dependent Claim
14 words
A compound according to claim 2, wherein x, y and z all equal 1.
Claim 6
Dependent Claim
10 words
A compound accord to claim 2, wherein x+y+z equals 2.
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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) | 1988-08-19 | 1989-02-18 | 1989-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-19 | 1993-02-18 | 1993-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-19 | 1997-02-18 | 1997-08-20 | $7700.00 | Window Closed / Lapsed |