US3249595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous emulsion polymerization process employing water-soluble peroxides
Assignee: Hoechst AG
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Filing: 1962-04-23
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Granted: 1966-05-03
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Lederer Michael
- 👤 Pfister Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:24
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3945; C07; C07C; C07C409/00; C07C409/42; C07C409/44; C08; C08F; C08F4/00; C08F4/28; C08F4/32; D; D06; D06L; D06L4/00; D06L4/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN A PROCESS FOR THE AQUEOUS EMULSION POLYMERIZATION OF ETHYLENICALLY UNSATURATED COMPOUNDS, THE IMPROVEMENT OF POLYMERIZING SAID COMPOUNDS AT A TEMPERATURE OF FROM -20*C. TO 120*C. IN THE PRESENCE OF A PEROXIDE CATALYST OF THE GENERAL FORMUAL
Claim 2
Dependent Claim
37 words
IN A PROCESS FOR THE AQUEOUS EMULSION POLYMERIZATION OF ETHYLENICALLY UNSATURATED COMPOUNDS, THE IMPROVEMENT OF POLYMERIZING SAID COMPOUNDS AT A TEMPERATURE OF FROM -20*C. TO 120*C. IN THE PRESENCE OF A PEROXIDE CATALYST OF THE GENERAL FORMUAL
References Cited (Backward Citations)
DE1011623B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |