US3271380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for catalyst residue removal
Assignee: Phillips Petroleum Co
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Filing: 1963-04-01
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Granted: 1966-09-06
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Richard E Dietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:54
CPC Classifications
C; C08; C08F; C08F6/00; C08F6/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF REMOVING CATALYST RESIDUES FROM A POLYMER PREPARED BY CATALYTIC POLYMERIZATION IN THE PRESENCE OF A CATALYST WHIHC FORMS ON COMMINGLING AT LEAST TWO ESSENTIALS COMPONENTS, ONE OF SAID COMPONENTS BEING A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF GROUPS IV, V, VI AND VIII METAL COMPOUNDS AND ANOTHER OF SAID COMPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF ORGANOMETALS, METAL HYDRIDES AND METALS OF GROUPS I, II AND III, WHICH COMPRISES TREATING SAID POLYMERS WITH AN AGENT SELECTED FROM THE GROUP CONSISTING OF (A) A HALOGEN-CONTAINING ALKYLENE OXIDE OF THE FORMULA
Claim 2
Independent Claim
95 words
A METHOD OF REMOVING CATALYST RESIDUES FROM A POLYMER PREPARED BY CATALYTIC POLYMERIZATION IN THE PRESENCE OF A CATALYST WHIHC FORMS ON COMMINGLING AT LEAST TWO ESSENTIALS COMPONENTS, ONE OF SAID COMPONENTS BEING A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF GROUPS IV, V, VI AND VIII METAL COMPOUNDS AND ANOTHER OF SAID COMPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF ORGANOMETALS, METAL HYDRIDES AND METALS OF GROUPS I, II AND III, WHICH COMPRISES TREATING SAID POLYMERS WITH AN AGENT SELECTED FROM THE GROUP CONSISTING OF (A) A HALOGEN-CONTAINING ALKYLENE OXIDE OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |