US3219608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion polymerization of vinyl acetate using allyl sulphosuccinates as polymerizable emulsifiers
Assignee: Individual
•
Filing: 1960-11-14
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Granted: 1965-11-23
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Richard F J Ingleby
- 👤 Basil A Ripley-Duggan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:28
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08; C08F218/00; C08F218/02; C08F218/04; C08F218/08; C08F28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A PROCESS FOR PREPARING AN AQUEOUS EMULSION OF A VINYL ACETATE POLYMER, COMPRISING THE STEP OF POLYMERISING A MONOMERIC MATERIAL COMPRISING VINYL ACETATE AND AN ANION HAVING THE FORMULA:
Claim 2
Dependent Claim
29 words
A PROCESS FOR PREPARING AN AQUEOUS EMULSION OF A VINYL ACETATE POLYMER, COMPRISING THE STEP OF POLYMERISING A MONOMERIC MATERIAL COMPRISING VINYL ACETATE AND AN ANION HAVING THE FORMULA:
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |