Patent US3899386A successfully refreshed from Google Patents.
Patent US3066124A successfully refreshed from Google Patents.
US3066124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polymers
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1958-03-31
•
Granted: 1962-11-27
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Telfer Robert Gilmour Jamieson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:22
CPC Classifications
C; C08; C08F; C08F6/00; C08F6/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR REMOVING METAL-CONTAINING CATALYST RESIDUES CONSISTING ESSENTIALLY OF MIXTURES OF A TRIVALENT TITANIUM COMPOUND WITH AN ALUMINIUM ALKYL COMPOUND FROM SOLID POLYMERS OF UNSATURATED HYDROCARBONS WHICH PROCESS CONSISTS ESSENTIALLY IN TREATING SAID SOLID POLYMERS WITH A HIGHER MONOHYDROXY ALCOHOL SELECTED FROM THE CLASS CONSISTING OF 3,5,5-TRIMETHYL HEXANOL AND ISODECANOL IN THE PRESENCE OF A HYDROCARBON SOLVENT, AND THEREAFTER SEPARATING AND RECOVERING THE SOLID POLYMERS FROM THE SOLVENT.
Claim 2
Dependent Claim
69 words
A PROCESS FOR REMOVING METAL-CONTAINING CATALYST RESIDUES CONSISTING ESSENTIALLY OF MIXTURES OF A TRIVALENT TITANIUM COMPOUND WITH AN ALUMINIUM ALKYL COMPOUND FROM SOLID POLYMERS OF UNSATURATED HYDROCARBONS WHICH PROCESS CONSISTS ESSENTIALLY IN TREATING SAID SOLID POLYMERS WITH A HIGHER MONOHYDROXY ALCOHOL SELECTED FROM THE CLASS CONSISTING OF 3,5,5-TRIMETHYL HEXANOL AND ISODECANOL IN THE PRESENCE OF A HYDROCARBON SOLVENT, AND THEREAFTER SEPARATING AND RECOVERING THE SOLID POLYMERS FROM THE SOLVENT.
References Cited (Backward Citations)
GB784314A
Cited
US2845412A
Cited
FR1136709A
Cited
US2827447A
Cited
US2886561A
Cited
US2940963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |