Patent US2819237A successfully refreshed from Google Patents.
US2819237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersions of a copolymer of an ethylenically unsaturated monomer containing a primary hydroxy group and a thermosetting resin forming reaction product
Assignee: Wyeth Holdings LLC
•
Filing: 1953-09-22
•
Granted: 1958-01-07
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
C; C09; C09D; C09D157/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A COMPOSITION OF A MATTER COMPRISING A MIXTURE OF FROM ABOUT 10% TO ABOUT 90% BY WEIGHT OF (1) AN AQUEOUS EMULSION OF LATEX COPOLYMER OF FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF A POLYMERIZABLE COMPOUND CONTAINING A -CH-=CH- GROUP AND A -CH2OH GROUP AND A POLYMERIZABLE COMPOUND CONTAINING A CH2=C< GROUP AND -CH2OH AND FROM ABOUT 90% TO ABOUT 40% BY WEIGHT OF (B) A POLYMERIZABLE COMPOUND CONTAINING A CH2=C< GROUP BUT DEVOID OF ANY HYDROXY GROUP AND FROM ABOUT 90% TO ABOUT 10% BY WEIGHT OF (2) AN AQUEOUS DISPERSION OF WATER DISPERSIBLE, FUSIBLE, THERMOSETTING RESIN FORMING REACTION PRODUCT WHEREIN SAID THERMOSETTING RESIN FORMING REACTION PRODUCT IS THE REACTION PRODUCT OF AN ALDEHYDE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA, ETHYLENEUREA, DICYANIDIAMIDE, PHENOL, RESORCINOL, CRESOL, ACETONE, METHYL ETYL KETONE, DIETHYL KETONE, MELAMINE, BENZOGUANAMINE, ACETOGUANAMINE, FORMOGUANAMINE, AMMELIDE, AMMELINE, 2,4,6-TRIETHYL-TRIAMINO-1,3,5-TRIAZINE AND 2,4,6-TRIPHENYL-TRIAMINO1,3,5-TRIAZINE.
Claim 2
Dependent Claim
156 words
A COMPOSITION OF A MATTER COMPRISING A MIXTURE OF FROM ABOUT 10% TO ABOUT 90% BY WEIGHT OF (1) AN AQUEOUS EMULSION OF LATEX COPOLYMER OF FROM ABOUT 10% TO ABOUT 60% BY WEIGHT OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF A POLYMERIZABLE COMPOUND CONTAINING A -CH-=CH- GROUP AND A -CH2OH GROUP AND A POLYMERIZABLE COMPOUND CONTAINING A CH2=C< GROUP AND -CH2OH AND FROM ABOUT 90% TO ABOUT 40% BY WEIGHT OF (B) A POLYMERIZABLE COMPOUND CONTAINING A CH2=C< GROUP BUT DEVOID OF ANY HYDROXY GROUP AND FROM ABOUT 90% TO ABOUT 10% BY WEIGHT OF (2) AN AQUEOUS DISPERSION OF WATER DISPERSIBLE, FUSIBLE, THERMOSETTING RESIN FORMING REACTION PRODUCT WHEREIN SAID THERMOSETTING RESIN FORMING REACTION PRODUCT IS THE REACTION PRODUCT OF AN ALDEHYDE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA, ETHYLENEUREA, DICYANIDIAMIDE, PHENOL, RESORCINOL, CRESOL, ACETONE, METHYL ETYL KETONE, DIETHYL KETONE, MELAMINE, BENZOGUANAMINE, ACETOGUANAMINE, FORMOGUANAMINE, AMMELIDE, AMMELINE, 2,4,6-TRIETHYL-TRIAMINO-1,3,5-TRIAZINE AND 2,4,6-TRIPHENYL-TRIAMINO1,3,5-TRIAZINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |