US3356640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stability of polyolefines
Assignee: Glanzstoff AG
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Filing: 1965-01-26
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Granted: 1967-12-05
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Meyer Gerhard
- 👤 Siggel Erhard
- 👤 Schjopf Albert
- 👤 Magerlein Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PROCESS FOR IMPROVING THE STABILITY OF A HIGH MOLECULAR WEIGHT POLY-A-MONOOLEFINE WHICH COMPRISES: DISPERSING SAID POLY-A-MONOLEFINE AS A FINELY DIVIDED POWDER IN AN INERT HYDROCARBON LIQUID CONTAINING A SMALL AMOUNT OF CYANO COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC UNSATURATED MONONITRILES OF 2 TO 18 CARBON ATOMS, UNSATURATED DIMITRILES OF 2 TO 18 CARBON ATOMS, SATURATED MONONITRILES OF 2 TO 18 CARBON ATOMS AND SATURATED DINITRILES OF 2 TO 18 CARTON ATOMS AND SATURATED DINITRILES OF 2 TO 18 CARBON ATOMS HEATING SAID DISPERSION WITH AGITATION IN THE PRESENCE OF UV-RAYS AND AT A TEMPERATURE OF FROM ABOUT 20*C. UP TO THE BOILING POINT OF THE INERT HYDROCARBON LIQUID FOR A PERIOD OF TIME SUFFICIENT TO ENHANCE THE OXIDATION-RESISTANCE OF SAID POLY-A-MONOOLEFINE; AND SEPARATING THE POLY-A-MONOOLEFINE FROM SAID DISPERSION.
Claim 2
Dependent Claim
131 words
A PROCESS FOR IMPROVING THE STABILITY OF A HIGH MOLECULAR WEIGHT POLY-A-MONOOLEFINE WHICH COMPRISES: DISPERSING SAID POLY-A-MONOLEFINE AS A FINELY DIVIDED POWDER IN AN INERT HYDROCARBON LIQUID CONTAINING A SMALL AMOUNT OF CYANO COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANIC UNSATURATED MONONITRILES OF 2 TO 18 CARBON ATOMS, UNSATURATED DIMITRILES OF 2 TO 18 CARBON ATOMS, SATURATED MONONITRILES OF 2 TO 18 CARBON ATOMS AND SATURATED DINITRILES OF 2 TO 18 CARTON ATOMS AND SATURATED DINITRILES OF 2 TO 18 CARBON ATOMS HEATING SAID DISPERSION WITH AGITATION IN THE PRESENCE OF UV-RAYS AND AT A TEMPERATURE OF FROM ABOUT 20*C. UP TO THE BOILING POINT OF THE INERT HYDROCARBON LIQUID FOR A PERIOD OF TIME SUFFICIENT TO ENHANCE THE OXIDATION-RESISTANCE OF SAID POLY-A-MONOOLEFINE; AND SEPARATING THE POLY-A-MONOOLEFINE FROM SAID DISPERSION.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |