Patent US2584306A successfully refreshed from Google Patents.
US2584306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of ethylenically unsaturated compounds
Assignee: EIDP Inc
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Filing: 1950-02-01
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Granted: 1952-02-05
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Expires: 1970-02-01
Abstract
No abstract record available.
Inventors
- 👤 Clement W Theobald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR THE POLYMERIZATION OF A POLYMERIZABLE MONOMER COMPOSITIONI THE POLYMERIZABLE COMPONENTS OF WHICH HAVE BUT ONE NONAROMATIC ETHYLENIC CARBON CARBON DOUBLE BOND AND SUBJECT TO ADDITION POLYMERIZATION WHICH COMPRISES BRINGING THE MONOMER IN CONTACT WITH AN ORGANIC DIAZOSULFONE HAVING THE AZO GROUP DIRECTLY ATTACHED TO THE SULFONE GROUP.
Claim 2
Dependent Claim
50 words
A PROCESS FOR THE POLYMERIZATION OF A POLYMERIZABLE MONOMER COMPOSITIONI THE POLYMERIZABLE COMPONENTS OF WHICH HAVE BUT ONE NONAROMATIC ETHYLENIC CARBON CARBON DOUBLE BOND AND SUBJECT TO ADDITION POLYMERIZATION WHICH COMPRISES BRINGING THE MONOMER IN CONTACT WITH AN ORGANIC DIAZOSULFONE HAVING THE AZO GROUP DIRECTLY ATTACHED TO THE SULFONE GROUP.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |