US3044981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stabilizing polyolefines
Assignee: Bayer AG
•
Filing: 1959-12-29
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Granted: 1962-07-17
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Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Malz Hugo
- 👤 Lober Friedrich
- 👤 Bayer Otto
- 👤 Scheurlen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5398
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN THE PROCESS FOR STABILIZING A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYBUTYLENE THE IMPROVEMENT WHICH COMPRISES USING AS STABILIZER 0.01-10% BY WEIGHT, BASED ON THE WEIGHT OF SAID MONOOLEFINIC POLYMER OF COMPOUNDS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
41 words
IN THE PROCESS FOR STABILIZING A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYBUTYLENE THE IMPROVEMENT WHICH COMPRISES USING AS STABILIZER 0.01-10% BY WEIGHT, BASED ON THE WEIGHT OF SAID MONOOLEFINIC POLYMER OF COMPOUNDS OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2891059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |