US3245936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl acetate copolymeric emulsions with acrylic acid
Assignee: Monsanto Co
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Filing: 1961-09-28
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Granted: 1966-04-12
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Albert E Corey
- 👤 Forrest H Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/60; C; C08; C08F; C08F218/00; C08F218/02; C08F218/04; C08F218/08; C08F220/00; C08F220/02; C08F220/04; C08F220/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A STABLE AQUEOUS LATEX COMPRISING AS ESSENTIAL CONSTITUENTS 30 TO 55% BY WEIGHT OF A RESINOUS BINDER WHICH IS THE POLYMERIZED PRODUCT OF A MONOMER MIXTURE, CONSISTING OF VINYL ACETATE AND 0.5 TO 3.0%, BASED ON THE TOTAL MONOMER MIXTURE WEIGHT, OF ACRYLIC ACID, AND FROM ABOUT 1 TO 5% BY WEIGHT, BASED ON THE LATEX WEIGHT, OF EMULSIFIER; WHEREIN THE DIAMETER OF THE POLYMER PARTICLES IS SMALLER THAN THE WAVELENGTH OF VISIBLE LIGHT.
Claim 2
Dependent Claim
74 words
A STABLE AQUEOUS LATEX COMPRISING AS ESSENTIAL CONSTITUENTS 30 TO 55% BY WEIGHT OF A RESINOUS BINDER WHICH IS THE POLYMERIZED PRODUCT OF A MONOMER MIXTURE, CONSISTING OF VINYL ACETATE AND 0.5 TO 3.0%, BASED ON THE TOTAL MONOMER MIXTURE WEIGHT, OF ACRYLIC ACID, AND FROM ABOUT 1 TO 5% BY WEIGHT, BASED ON THE LATEX WEIGHT, OF EMULSIFIER; WHEREIN THE DIAMETER OF THE POLYMER PARTICLES IS SMALLER THAN THE WAVELENGTH OF VISIBLE LIGHT.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |