US3346531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of a monovinyl aromatic monomer, alpha methyl styrene, a mono-basic acidic monomer and an acrylonitrile
Assignee: Valspar Corp
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Filing: 1965-01-06
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Granted: 1967-10-10
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Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 John F Rooney
- 👤 Edward W Boulger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:03
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/12; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CARBOXYL FUNCTIONAL INTERPOLYMER CONSISTING ESSENTIALLY OF FROM ABOUT 2 TO ABOUT 8 WEIGHT PERCENT OF MOIETIES OF AT LEAST ONE NITRILE MONOMER OF THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, FROM ABOUT 4 TO ABOUT 12 WEIGHT PERCENT OF MOIETIES OF AT LEAST ONE ACIDIC MONOMER OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID AND CROTONIC ACID, FROM ABOUT 10 TO ABOUT 25 WEIGHT PERCENT OF ALPHA METHYL STYRENE MOIETIES AND FROM ABOUT 55 TO ABOUT 84 WEIGHT PERCENT OF MOIETIES OF AT LEAST ONE VINYL AROMATIC MONOMER OF THE GROUP CONSISTING OF STYRENE AND VINYL TOLUENE.
Claim 2
Dependent Claim
99 words
A CARBOXYL FUNCTIONAL INTERPOLYMER CONSISTING ESSENTIALLY OF FROM ABOUT 2 TO ABOUT 8 WEIGHT PERCENT OF MOIETIES OF AT LEAST ONE NITRILE MONOMER OF THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, FROM ABOUT 4 TO ABOUT 12 WEIGHT PERCENT OF MOIETIES OF AT LEAST ONE ACIDIC MONOMER OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID AND CROTONIC ACID, FROM ABOUT 10 TO ABOUT 25 WEIGHT PERCENT OF ALPHA METHYL STYRENE MOIETIES AND FROM ABOUT 55 TO ABOUT 84 WEIGHT PERCENT OF MOIETIES OF AT LEAST ONE VINYL AROMATIC MONOMER OF THE GROUP CONSISTING OF STYRENE AND VINYL TOLUENE.
References Cited (Backward Citations)
US2604457A
Cited
US2759910A
Cited
US2772253A
Cited
US2890148A
Cited
US2816827A
Cited
US3068183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |