US3240771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery and stabilization of lowpressure polyolefines
Assignee: Bayer AG
•
Filing: 1962-05-29
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Granted: 1966-03-15
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Blazejak Manfred
- 👤 Nutzel Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:49
CPC Classifications
C; C08; C08F; C08F6/00; C08F6/02; C08K; C08K5/00; C08K5/36; C08K5/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS FOR RECOVERING INSTABILIZED FORM A LOWPRESSURE POLYMER OF AN ALPHA-OLEFIN FROM A REACTION MIXTURE CONTAINING AN ORGANIC LIQUID REACTION MEDIUM, A LOWPRESSURE POLYMER OF AN ALPHA-OLEFIN AND METAL-CONTAINING COMPLEX POLYMERIZATION CATALYST USED FOR PREPARING SAID LOW-PRESSURE POLYMER WHICH COMPRISES INTRODUCING INTO SAID REACTION MEDIUM LIQUID 1,2-MONOTHIOGLYCOL OF THE FORMULA
Claim 2
Dependent Claim
51 words
A PROCESS FOR RECOVERING INSTABILIZED FORM A LOWPRESSURE POLYMER OF AN ALPHA-OLEFIN FROM A REACTION MIXTURE CONTAINING AN ORGANIC LIQUID REACTION MEDIUM, A LOWPRESSURE POLYMER OF AN ALPHA-OLEFIN AND METAL-CONTAINING COMPLEX POLYMERIZATION CATALYST USED FOR PREPARING SAID LOW-PRESSURE POLYMER WHICH COMPRISES INTRODUCING INTO SAID REACTION MEDIUM LIQUID 1,2-MONOTHIOGLYCOL OF THE FORMULA
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |