Patent US2964456A successfully refreshed from Google Patents.
US2964456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable waxing emulsions
Assignee: Dow Chemical Co
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Filing: 1957-04-26
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Granted: 1960-12-13
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Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Frank L Saunders
- 👤 James H Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
C; C08; C08F; C08F289/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
PROCESS COMPRISING EMULSIFYING A POLYMERIC ALKANE WAX COMPOSITION AND A VINYL MONOMER THAT IS ADAPTED TO BE POLYMERIZED TO A FILM FORMING POLYMER IN A NONPOLYMERIZABLE LIQUID VEHICLE AND SUBSEQUENTLY SUBJECTING THE EMULSIFIED MASS TO IONIZING HIGH ENERGY IRRADIATION IN A HIGH ENERGY FIELD UNTIL A TOTAL DOSAGE OF UP TO ABOUT 5 MILLION ROENTGEN EQUIVALENT PHYSICALS HAS BEEN AFFECTED AND SUBSTANTIALLY ALL OF THE VINYL MONOMER IS POLYMERIZED INTO BOTH FILM-FORMING VINYL POLYMERS AND GRAFT COPOLYMERS WITH THE POLYMERIC ALKANE CONSTITUENT AND PROVIDE A STABLE EMULSIFIED PRODUCT.
Claim 2
Dependent Claim
88 words
PROCESS COMPRISING EMULSIFYING A POLYMERIC ALKANE WAX COMPOSITION AND A VINYL MONOMER THAT IS ADAPTED TO BE POLYMERIZED TO A FILM FORMING POLYMER IN A NONPOLYMERIZABLE LIQUID VEHICLE AND SUBSEQUENTLY SUBJECTING THE EMULSIFIED MASS TO IONIZING HIGH ENERGY IRRADIATION IN A HIGH ENERGY FIELD UNTIL A TOTAL DOSAGE OF UP TO ABOUT 5 MILLION ROENTGEN EQUIVALENT PHYSICALS HAS BEEN AFFECTED AND SUBSTANTIALLY ALL OF THE VINYL MONOMER IS POLYMERIZED INTO BOTH FILM-FORMING VINYL POLYMERS AND GRAFT COPOLYMERS WITH THE POLYMERIC ALKANE CONSTITUENT AND PROVIDE A STABLE EMULSIFIED PRODUCT.
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |