Patent US4455416A successfully refreshed from Google Patents.
US4455416A
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Cyclic urea/glyoxal/polyol condensates and their use in treating textile fabrics and paper
Assignee: Omnova Services Inc
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Filing: 1983-07-14
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Granted: 1984-06-19
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Expires: 2003-07-14
Abstract
Abstract Cyclic urea/glyoxal/polyol condensates are excellent formaldehyde-free crosslinking resins for cellulosic textile fabrics and insolubilizers for binders in paper coating compositions.
Inventors
- 👤 William C. Floyd
- 👤 Bernard F. North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:35
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/10; C08G12/12; D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/62; C08G12/40; C08G12/42; C08G12/424; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/49; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591; Y10T428/31725; Y10T428/31779; Y10T428/31783
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
4 words
A cyclic urea/glyoxal/polyol condensate.
Claim 2
Dependent Claim
4 words
A cyclic urea/glyoxal/polyol condensate.
Claim 3
Dependent Claim
103 words
The condensate of claim 1 wherein the cyclic urea is ##STR2## wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 may be the same or different and each may be H, OH, COOH, R, OR, or COOR wherein R is an alkyl or a substituted alkyl group having 1 to 4 carbon atoms; R 7 may be H or a polyol moiety; and X may be C, O, or N; when X is O, R 3 and R 4 are each zero; when X is N, R 3 or R 4 is zero.
Claim 4
Dependent Claim
14 words
The condensates of claim 1 wherein the ratio of cyclic urea:glyoxal:polyol is about 1:0.8-2.0:0.05-4.0.
Claim 5
Dependent Claim
14 words
The condensate of claim 1 wherein the ratio of cyclic urea:glyoxal:polyol is about 1:0.8-2.0:0.4-3.
Claim 6
Dependent Claim
15 words
A composition for treating a cellulosic textile fabric which comprises the condensate of claim 1.
Claim 7
Dependent Claim
15 words
An insolubilizer for binders in paper coating compositions which comprises the condensate of claim 1.
References Cited (Backward Citations)
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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) | 1987-06-19 | 1987-12-19 | 1988-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-19 | 1991-12-19 | 1992-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-19 | 1995-12-19 | 1996-06-19 | $7700.00 | Window Closed / Lapsed |