US4424261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyisopropylmelamine modified melamine-formaldehyde resin
Assignee: Formica Corp
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Filing: 1982-09-23
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Granted: 1984-01-03
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Expires: 2002-09-23
Abstract
Abstract Hydroxyalkylmelamines are disclosed as ingredients in various resins which find use as the resin component of heat and pressure consolidated laminates, especially decorative laminates having either post-formability or a core having a color matching that of the decor sheet.
Inventors
- 👤 Ronald J. Keeling
- 👤 Jin-Young K. Roe
- 👤 Henry C. Mollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:51
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/20; C08L61/26; C08L61/28; B; B32; B32B; B32B27/00; B32B27/04; B32B27/06; B32B27/10; B32B27/42; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/263; C08G12/266; C08G12/30; C08G12/32; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/49; D21H17/51; D21H27/00; D21H27/18; D21H27/22; D21H27/26; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
153 words
A composition of matter comprising a blend of (1) (a) a hydroxyalkyl melamine or (b) a reaction product of a hydroxyalkyl melamine and formaldehyde and (2) a melamine/formaldehyde resin, the ratio of (a) to (2) ranging from about 1:1 to about 1:20, respectively, the ratio of (b) to (2) ranging from about 20:1 to about 1:20, respectively, the molar ratio of hydroxyalkylmelamine to formaldehyde in (b) ranging from about 1:0.05 to about 1:3, respectively, and the molar ratio of melamine to formaldehyde in (2) ranging from about 1:1 to about 1:3, respectively, said hydroxyalkyl melamine having the formula ##STR5## wherein R' is a C 1 -C 8 linear or branched chain alkyl group, a C 6 -C 10 aryl group or R 2 and R 2 is --NH 2 , --NH(CH 2 ) x OH or ##STR6## wherein x is 3-8, inclusive, and at least one of R 2 is a hydroxyalkylamine group.
Claim 2
Dependent Claim
153 words
A composition of matter comprising a blend of (1) (a) a hydroxyalkyl melamine or (b) a reaction product of a hydroxyalkyl melamine and formaldehyde and (2) a melamine/formaldehyde resin, the ratio of (a) to (2) ranging from about 1:1 to about 1:20, respectively, the ratio of (b) to (2) ranging from about 20:1 to about 1:20, respectively, the molar ratio of hydroxyalkylmelamine to formaldehyde in (b) ranging from about 1:0.05 to about 1:3, respectively, and the molar ratio of melamine to formaldehyde in (2) ranging from about 1:1 to about 1:3, respectively, said hydroxyalkyl melamine having the formula ##STR5## wherein R' is a C 1 -C 8 linear or branched chain alkyl group, a C 6 -C 10 aryl group or R 2 and R 2 is --NH 2 , --NH(CH 2 ) x OH or ##STR6## wherein x is 3-8, inclusive, and at least one of R 2 is a hydroxyalkylamine group.
Claim 3
Dependent Claim
14 words
A composition according to claim 1 wherein said hydroxyalkyl melamine is a hydroxypropyl melamine.
Claim 4
Dependent Claim
187 words
A cellulosic paper sheet having impregnated therein from about 15% to about 80%, by weight, based on the weight of the paper, of (A) a m hydroxyalkylmelamine/formaldehyde reaction product having a molar ratio of hydroxyalkylmelamine to formaldehyde of from about 1:0.05 to about 1:3, respectively, or (B) a blend of A, above, and a melamine/formaldehyde resin, the ratio of A to melamine/formaldehyde resin ranging from about 20:1 to about 1:20, respectively, and the ratio of melamine to formaldehyde ranging from about 1:1 to 1:3, respectively, or (C) a blend of a hydroxy alkyl melamine and a melamine/formaldehyde resin, the ratio of hydroxy alkyl melamine to melamine/formaldehyde resin ranging from about 1:1 to about 1:20, respectively, and the ratio of melamine to formaldehyde ranging from about 1:1 to about 1:3, respectively, said hydroxyalkyl melamine having the formula ##STR7## wherein R' is a C 1 -C 8 linear or branched chain alkyl, a C 6 -C 10 aryl, or R 2 and R 2 is --NH 2 --NH(CH 2 ) x OH or ##STR8## wherein x is 3-8, inclusive, and at least one R 2 is a hydroxyalkylamine group.
Claim 5
Dependent Claim
187 words
A cellulosic paper sheet having impregnated therein from about 15% to about 80%, by weight, based on the weight of the paper, of (A) a m hydroxyalkylmelamine/formaldehyde reaction product having a molar ratio of hydroxyalkylmelamine to formaldehyde of from about 1:0.05 to about 1:3, respectively, or (B) a blend of A, above, and a melamine/formaldehyde resin, the ratio of A to melamine/formaldehyde resin ranging from about 20:1 to about 1:20, respectively, and the ratio of melamine to formaldehyde ranging from about 1:1 to 1:3, respectively, or (C) a blend of a hydroxy alkyl melamine and a melamine/formaldehyde resin, the ratio of hydroxy alkyl melamine to melamine/formaldehyde resin ranging from about 1:1 to about 1:20, respectively, and the ratio of melamine to formaldehyde ranging from about 1:1 to about 1:3, respectively, said hydroxyalkyl melamine having the formula ##STR7## wherein R' is a C 1 -C 8 linear or branched chain alkyl, a C 6 -C 10 aryl, or R 2 and R 2 is --NH 2 --NH(CH 2 ) x OH or ##STR8## wherein x is 3-8, inclusive, and at least one R 2 is a hydroxyalkylamine group.
References Cited (Backward Citations)
US2833674A
Cited
US3538026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-02 | 1987-07-04 | 1988-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-02 | 1991-07-04 | 1992-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-02 | 1995-07-04 | 1996-01-03 | $7700.00 | Window Closed / Lapsed |