US2846427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polymers
Assignee: Phillips Petroleum Co
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Filing: 1957-03-14
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Granted: 1958-08-05
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Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Robert A Findlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:52
CPC Classifications
C; C08; C08C; C08C2/00; C08C2/02; C08C2/04; C08F; C08F6/00; C08F6/02; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE PROCESS OF TREATING A POLYMER PREPARED BY CATALYTIC POLYMERIZATION IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF (1) A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, INDIUM, AND BERYLLIUM HAVING THE VALENCE LINKAGES THEREOF INDIVIDUALLY BOUND TO MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, CYCLOALKYL, AND ARYL RADICALS, AND (2) MIXTURES HAVING AT LEAST TWO ESSENTIAL COMPONENTS, ONE OF SAID COMPONENTS BEING A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF GROUP IV, GROUP V AND GROUP VI METAL COMPOUNDS, AND ANOTHER OF SAID COMPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF ORGANOMETAL COMPOUNDS, METAL HYDRIDES, AND METALS OF
Claim 2
Dependent Claim
111 words
THE PROCESS OF TREATING A POLYMER PREPARED BY CATALYTIC POLYMERIZATION IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF (1) A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, INDIUM, AND BERYLLIUM HAVING THE VALENCE LINKAGES THEREOF INDIVIDUALLY BOUND TO MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, CYCLOALKYL, AND ARYL RADICALS, AND (2) MIXTURES HAVING AT LEAST TWO ESSENTIAL COMPONENTS, ONE OF SAID COMPONENTS BEING A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF GROUP IV, GROUP V AND GROUP VI METAL COMPOUNDS, AND ANOTHER OF SAID COMPONENTS BEING SELECTED FROM THE GROUP CONSISTING OF ORGANOMETAL COMPOUNDS, METAL HYDRIDES, AND METALS OF
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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |