US2779751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization process using sulfonecontaining accelerators
Assignee: WC Heraus GmbH and Co KG
•
Filing: 1952-07-08
•
Granted: 1957-01-29
•
Expires: 1972-07-08
Abstract
No abstract record available.
Inventors
- 👤 Bredereck Hellmut
- 👤 Bader Erich
- 👤 Wohnhaas Adolf
- 👤 Nubling Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:07
CPC Classifications
C; C08; C08F; C08F4/00; Y; Y10; Y10S; Y10S623/00; Y10S623/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
PROCESS FOR THE PRODUCTION OF POLYMERIZATION PRODUCTS WHICH COMPRISES POLYMERIZING A POLYMERIZABLE ORGANIC COMPOUND CONTAINING A METAHYLENE GRAOUP DOUBLELINKED TO A CARBON ATOM IN TAHE PRESENCE OF A POLYMERIZATION ACCELERATOR COMPRISING A METAL COMPONENT SELECTED FROM THE GROUP CONSISTING OF MULTI-VALENT HEAVY METALS AND SALTS THEREOF, AND A SULFONE METHYL-AMINE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
54 words
PROCESS FOR THE PRODUCTION OF POLYMERIZATION PRODUCTS WHICH COMPRISES POLYMERIZING A POLYMERIZABLE ORGANIC COMPOUND CONTAINING A METAHYLENE GRAOUP DOUBLELINKED TO A CARBON ATOM IN TAHE PRESENCE OF A POLYMERIZATION ACCELERATOR COMPRISING A METAL COMPONENT SELECTED FROM THE GROUP CONSISTING OF MULTI-VALENT HEAVY METALS AND SALTS THEREOF, AND A SULFONE METHYL-AMINE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2380475A
Cited
FR883679A
Cited
US2480928A
Cited
US2558139A
Cited
US2566821A
Cited
US2527393A
Cited
US2584306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |