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Patent US3499059A successfully refreshed from Google Patents.
US3499059A
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Method of making toughened polymers from emulsions of immiscible solutions of elastomers,thermoplastic polymers and ethylenically unsaturated monomers stabilized by the addition of block or graft copolymers
Assignee: Dow Chemical Co
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Filing: 1965-03-15
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Granted: 1970-03-03
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Gunther E Molau
- 👤 Henno Keskkula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
CPC Classifications
C; C08; C08F; C08F291/00; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3095388A
Cited
GB870650A
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US3264234A
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US3166524A
Cited
US3144420A
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US3243481A
Cited
US3267178A
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US3278642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |