US3296176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymer latices
Assignee: Monsanto Co
•
Filing: 1965-03-03
•
Granted: 1967-01-03
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Fantl Joel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:15
CPC Classifications
C; C08; C08F; C08F257/00; C08F257/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
AN AQUEOUS LATEX INTERPOLYMR PARTICLES HAVING AN OVERALL COMPOSITION OF FROM 6 TO 18% BY WEIGHT OF (A) AN UNSATURATED NITRILE SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, FROM 20 TO 45% BY WEIGHT OF (B) AN UNSATURATED ESTER SELECTED FROM THE GROUP CONSISTING OF STRAIGHT-CHAIN AND BRANCHED-CHAIN SATURATED ALIPHATIC ALCOHOL ESTERS OF FUMARIC, ACRYLIC AND METHACRYLIC ACIDS CONTAINING FROM 3 TO 20 CARBON ATOMS IN THE ALCOHOL MOIETY OF WHICH FROM ABOUT 5 TO 14 CARBON ATOMS COMPRISE THE LONGEST CONTINUOUS CHAIN THEREOF, FROM 1 TO 5% BY WEIGHT OF (C) AN UNSATURATED MONOCARBOXYLIC ACID CONTAINING FROM 3 TO 10 CARBON ATOMS AND, CORRESPONDINGLY, FROM 32 TO 73% BY WEIGHT OF (D) A MONOVINYLIDENE AROMATIC HYDROCARBON, WHEREIN SAID INTERPOLYMER PARTICLES COMPRISE AN INNER MASS OF A PARTICULAR INTERPOLYMER CMPOSITION AND AN AOUTER SURFACE-ORIENTED INTERPOLYMER OF A DIFFERENT COMPOSITION; SAID INNER MASS HAVING AN INTERPOLYMER COMPOSITION OF (1) FROM 20 TO 40% BY WEIGH TO OF (A) AND, CORRESPONDINGLY, (2) FROM 80 TO 60% BY WEIGHT OF (D); SAID OUTER SURFACE-ORIENTED INTERPOLYMER HAVING A COMPOSITION OF (1) FROM 3 TO 12% BY WEIGHT OF (A), (2) FROM 25 TO 50% BY WEIGHT OF (B), (3) FROM 1 TO 5% BY WEIGHT OF (C) AND, CORRESPONDINGLY, (4) FROM 33 TO 71% BY WEIGHT OF (D).
Claim 2
Dependent Claim
216 words
AN AQUEOUS LATEX INTERPOLYMR PARTICLES HAVING AN OVERALL COMPOSITION OF FROM 6 TO 18% BY WEIGHT OF (A) AN UNSATURATED NITRILE SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, FROM 20 TO 45% BY WEIGHT OF (B) AN UNSATURATED ESTER SELECTED FROM THE GROUP CONSISTING OF STRAIGHT-CHAIN AND BRANCHED-CHAIN SATURATED ALIPHATIC ALCOHOL ESTERS OF FUMARIC, ACRYLIC AND METHACRYLIC ACIDS CONTAINING FROM 3 TO 20 CARBON ATOMS IN THE ALCOHOL MOIETY OF WHICH FROM ABOUT 5 TO 14 CARBON ATOMS COMPRISE THE LONGEST CONTINUOUS CHAIN THEREOF, FROM 1 TO 5% BY WEIGHT OF (C) AN UNSATURATED MONOCARBOXYLIC ACID CONTAINING FROM 3 TO 10 CARBON ATOMS AND, CORRESPONDINGLY, FROM 32 TO 73% BY WEIGHT OF (D) A MONOVINYLIDENE AROMATIC HYDROCARBON, WHEREIN SAID INTERPOLYMER PARTICLES COMPRISE AN INNER MASS OF A PARTICULAR INTERPOLYMER CMPOSITION AND AN AOUTER SURFACE-ORIENTED INTERPOLYMER OF A DIFFERENT COMPOSITION; SAID INNER MASS HAVING AN INTERPOLYMER COMPOSITION OF (1) FROM 20 TO 40% BY WEIGH TO OF (A) AND, CORRESPONDINGLY, (2) FROM 80 TO 60% BY WEIGHT OF (D); SAID OUTER SURFACE-ORIENTED INTERPOLYMER HAVING A COMPOSITION OF (1) FROM 3 TO 12% BY WEIGHT OF (A), (2) FROM 25 TO 50% BY WEIGHT OF (B), (3) FROM 1 TO 5% BY WEIGHT OF (C) AND, CORRESPONDINGLY, (4) FROM 33 TO 71% BY WEIGHT OF (D).
References Cited (Backward Citations)
US2767153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |