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US3855137A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbon gels

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1973-08-09
•
Granted: 1974-12-17
•
Expires: 1993-08-09
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Abstract

Abstract A composition of matter comprising a gelatinous hydrocarbon containing a minor amount of a compound having either the formula MOR or IN COMBINATION WITH A COMPOUND HAVING THE FORMULA M''(OR'')3 wherein M is one selected from the group consisting of Group IA metals; M'' is one selected from the group consisting of Group IIIA metals; R and R'' are independently selected from the group consisting of C1-C25 straight or branched hydrocarbyl radicals; R'''' and R'''''' are the same or different wherein each is a C1-C16 straight or branched hydrocarbyl radical; Q is O or N; A is a hydrocarbyl group containing from 2 to 4 methylenic carbon atoms having 0 to 2 substituents, said substituents being one selected from the group consisting of C1-C6 alkyl, C3-C6 cycloalkyl, phenyl, C2-C6 alkenyl, C2-C6 alkynyl, Cl, Br, I; n is an integer ranging from 1 to 10 inclusive; x is an integer and is either 1 or 2 depending on the valence of Q; y is either 0 or 1 depending on the valence of Q; in combination with iron powder to provide the composition with magnetic properties.

Inventors

  • 👤 T Whitney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:23
CPC Classifications
C; C10; C10L; C10L7/00; C10L7/02; C07; C07C; C07C31/00; C07C31/28; C07C31/30; C07C31/32; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/135; H; H01; H01F; H01F1/00; H01F1/44

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 32 words
A MAGNETIC COMPOSITION OF MATTER COMPRISING A GELATINOUS HYDROCARBON CONTAINING AN AMOUNT RANGING FROM 1/4 TO 5 % BY WEIGHT OF SAID HYDROCARBON, OF A COMPOUND HAVING EITHER THE FORMULA MOR OR
Claim 2
Dependent Claim 32 words
A MAGNETIC COMPOSITION OF MATTER COMPRISING A GELATINOUS HYDROCARBON CONTAINING AN AMOUNT RANGING FROM 1/4 TO 5 % BY WEIGHT OF SAID HYDROCARBON, OF A COMPOUND HAVING EITHER THE FORMULA MOR OR
Claim 3
Dependent Claim 15 words
A composition of matter according to claim 1 wherein the minor compound has the formula
Claim 4
Dependent Claim 29 words
A composition according to claim 1 wherein the amount of the composition having the formula M''(OR'')3 is in a molar ratio of 1: 1 equivalents of either MOR or

References Cited (Backward Citations)

US3531413A Cited
US3505374A Cited
US3615285A Cited
US3700595A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-12-16 1978-06-17 1978-12-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-12-16 1982-06-17 1982-12-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-12-16 1986-06-17 1986-12-17 $7700.00 Window Closed / Lapsed

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