US3536680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing polymerizates comprising the essential steps of kneading the reaction mixture and shearing the polymers formed
Assignee: Werner and Pfleiderer GmbH
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Filing: 1964-10-23
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Granted: 1970-10-27
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Illing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:45
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/02; B; B01; B01J; B01J19/00; B01J19/18; B01J19/20; B29; B29B; B29B7/00; B29B7/002; B29B7/007; B29B7/30; B29B7/34; B29B7/38; B29B7/46; B29B7/48; B29B7/482; B29B7/483; B29B7/484; B29B7/487; B29B7/488; B29B7/489; B29B7/74; B29B7/7466; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/50; B29C48/76; B29C48/03; B29C48/06; B29C48/07; B29C48/08; B29C48/09; B29C48/40; B29C48/405; Y; Y10; Y10S; Y10S526/00; Y10S526/914
Claims Analysis
Total Claims: 0
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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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |