Patent US2900360A successfully refreshed from Google Patents.
US2900360A
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Process for polymerizing ethylenically unsaturated compounds using a sulfur containing catalyst
Assignee: Bayer AG
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Filing: 1955-05-24
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Granted: 1959-08-18
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Expires: 1975-05-24
Abstract
No abstract record available.
Inventors
- 👤 Schmitz-Josten Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:08
CPC Classifications
C; C08; C08F; C08F4/00; C07; C07C; C07C317/00; C07C317/44; C07C323/00; C07C323/22; C08F283/00; C08F283/01; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PROCESS OF POLYMERIZING ETHYLENICALLY UNSATURATED POLYMERIZABLE COMPOUNDS WHICH COMPRISES CONTACTING SAID ETHYLENICALLY UNSATURATED COMPOUNDS WITH A POLYMERIZATION CATALYST COMPRISING A COMPOUNT OF THE FORMULA.
Claim 2
Dependent Claim
25 words
A PROCESS OF POLYMERIZING ETHYLENICALLY UNSATURATED POLYMERIZABLE COMPOUNDS WHICH COMPRISES CONTACTING SAID ETHYLENICALLY UNSATURATED COMPOUNDS WITH A POLYMERIZATION CATALYST COMPRISING A COMPOUNT OF THE FORMULA.
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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) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |