Patent US3296169A successfully refreshed from Google Patents.
US3296169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl acetate-methyl methacrylateacrylic acid copolymer latices
Assignee: Monsanto Co
•
Filing: 1963-01-31
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Granted: 1967-01-03
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Expires: 1983-01-31
Abstract
No abstract record available.
Inventors
- 👤 Albert E Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/14; C08F20/00; C08F20/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A STABLE, AQUEOUS EMULSION OF A HARD POLYMER WHICH IS NON-FILMING AT ROOM TEMPERATURE AND WHICH IS MADE FROM A MONOMER MIXTURE COMPISING 0.5 TO 2% BY WEIGHT OF AN ACRYLIC ACID, 33 TO 85% OF METHYL METHACRYLATE, AND AT LEAST 10% OF VINYL ACETATE.
Claim 2
Dependent Claim
45 words
A STABLE, AQUEOUS EMULSION OF A HARD POLYMER WHICH IS NON-FILMING AT ROOM TEMPERATURE AND WHICH IS MADE FROM A MONOMER MIXTURE COMPISING 0.5 TO 2% BY WEIGHT OF AN ACRYLIC ACID, 33 TO 85% OF METHYL METHACRYLATE, AND AT LEAST 10% OF VINYL ACETATE.
References Cited (Backward Citations)
US2739136A
Cited
US2845398A
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 |