Patent US1751808A successfully refreshed from Google Patents.
Patent US2977381A successfully refreshed from Google Patents.
US2977381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-metal compounds and production thereof
Assignee: Goodrich Gulf Chemicals Inc
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Filing: 1956-01-16
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Granted: 1961-03-28
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Max E Roha
- 👤 Warren L Beears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:10
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/064; C08; C08F; C08F110/00; C08F110/02; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A METHOD OF PRODUCING AT SUBSTANTIALLY ATMOSPHERIC PRESSURE A HIGHER HYDROCARBON-ALUMINUM HAVING A PREDETERMINED NUMBER OF CARBON ATOMS RANGING FROM 10 TO 100 IN AT LEAST ONE OF ITS HYDROCARBON COMPONENTS BY THE CHEMICAL INSERTION OF ALKYLIDENE RADICALS INTO A LOWER HYDROCARBON-ALUMINUM BETWEEN THE ALUMINUM ATOM AND A CARBON ATOM OF AT LEAST ONE OF THE HYDROCARBON RADICALS OF SAID LOWER HYDROCARBON-ALUMINUM, WHICH CARBON ATOM IS LINKED DIRECTLY TO AN ALUMINUM ATOM, WHICH METHOD COMPRISES PREPARING IN INERT CIRCUMAMBIENT FLUID MEDIA A LIQUID REACTION MEDIUM INITIALLY CONSISTING ESSENTIALLY OF (A) A LOWER HYDROCARBON-ALUMINUM OF THE GENERAL FORMULA RM-AL-XN, WHEREIN R IS A HYDROCARBON RADICAL HAVING FROM 2 TO 8 CARBON ATOMS, X REPRESENTS A MONOVALENT SUBSTITUENT SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, CHLORINE, BROMINE AND IODINE, AND M AND N ARE DIGITS WHOSE SUM TOTALS 3 AND OF WHICH N, BUT NOT M, MAY BE ZERO, (B) ALUMINUM TRICHLORIDE, AND (C) TITAMIUM TETRACHLORIDE; THEN PASSING AN ALPHA-OLEFIN
Claim 2
Independent Claim
158 words
A METHOD OF PRODUCING AT SUBSTANTIALLY ATMOSPHERIC PRESSURE A HIGHER HYDROCARBON-ALUMINUM HAVING A PREDETERMINED NUMBER OF CARBON ATOMS RANGING FROM 10 TO 100 IN AT LEAST ONE OF ITS HYDROCARBON COMPONENTS BY THE CHEMICAL INSERTION OF ALKYLIDENE RADICALS INTO A LOWER HYDROCARBON-ALUMINUM BETWEEN THE ALUMINUM ATOM AND A CARBON ATOM OF AT LEAST ONE OF THE HYDROCARBON RADICALS OF SAID LOWER HYDROCARBON-ALUMINUM, WHICH CARBON ATOM IS LINKED DIRECTLY TO AN ALUMINUM ATOM, WHICH METHOD COMPRISES PREPARING IN INERT CIRCUMAMBIENT FLUID MEDIA A LIQUID REACTION MEDIUM INITIALLY CONSISTING ESSENTIALLY OF (A) A LOWER HYDROCARBON-ALUMINUM OF THE GENERAL FORMULA RM-AL-XN, WHEREIN R IS A HYDROCARBON RADICAL HAVING FROM 2 TO 8 CARBON ATOMS, X REPRESENTS A MONOVALENT SUBSTITUENT SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, CHLORINE, BROMINE AND IODINE, AND M AND N ARE DIGITS WHOSE SUM TOTALS 3 AND OF WHICH N, BUT NOT M, MAY BE ZERO, (B) ALUMINUM TRICHLORIDE, AND (C) TITAMIUM TETRACHLORIDE; THEN PASSING AN ALPHA-OLEFIN
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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |