WAYNE C KING
Engineering in Santa Fe, NM
License number
Massachusetts 27378
Issued Date
Jan 18, 1974
Expiration Date
Jun 30, 2008
Type
Structural Engineer
Address
Address
Santa Fe, NM 87540
Professional information
Gallium Based Low-Interaction Anions
US Patent:
6030918, Feb 29, 2000
Filed:
Dec 23, 1998
Appl. No.:
9/219474
Inventors:
Wayne A. King - Santa Fe NM
Gregory J. Kubas - Santa Fe NM
Gregory J. Kubas - Santa Fe NM
Assignee:
The Regents of the University of California - Los Alamos NM
International Classification:
B01J 3120, B01J 3112
US Classification:
502152
Abstract:
The present invention provides: a composition of the formula M. sup. +x (Ga(Y). sub. 4. sup. -). sub. x where M is a metal selected from the group consisting of lithium, sodium, potassium, cesium, calcium, strontium, thallium, and silver, x is an integer selected from the group consisting of 1 or 2, each Y is a ligand selected from the group consisting of aryl, alkyl, hydride and halide with the proviso that at least one Y is a ligand selected from the group consisting of aryl, alkyl and halide; a composition of the formula (R). sub. x Q. sup. + Ga(Y). sub. 4. sup. - where Q is selected from the group consisting of carbon, nitrogen, sulfur, phosphorus and oxygen, each R is a ligand selected from the group consisting of alkyl, aryl, and hydrogen, x is an integer selected from the group consisting of 3 and 4 depending upon Q, and each Y is a ligand selected from the group consisting of aryl, alkyl, hydride and halide with the proviso that at least one Y is a ligand selected from the group consisting of aryl, alkyl and halide; an ionic polymerization catalyst composition including an active cationic portion and a gallium based weakly coordinating anion; and bridged anion species of the formula M. sup. +x. sub. y [X(Ga(Y. sub. 3). sub. z ]. sup. -y. sub. x where M is a metal selected from the group consisting of lithium, sodium, potassium, magnesium, cesium, calcium, strontium, thallium, and silver, x is an integer selected from the group consisting of 1 or 2, X is a bridging group between two gallium atoms, y is an integer selected from the group consisting 1 and 2, z is an integer of at least 2, each Y is a ligand selected from the group consisting of aryl, alkyl, hydride and halide with the proviso that at least one Y is a ligand selected from the group consisting of aryl, alkyl and halide.