Abstract: Compounds of the formula,A.sub.x [D'(MW.sub.11 O.sub.39).sub.2 ].multidot.yH.sub.2 Oin which A is a cation, x is an integer, M is B, Si or P, D is metal and D' is a lanthanide in oxidation state 3 or 4, L is a neutral or anionic ligand, and y is an interger, have anti-viral activity in a standard screen, and may be used to produce compositions and also coated articles and devices for treatment or prophylactic treatment of patients at risk.
Type:
Grant
Filed:
March 14, 1990
Date of Patent:
March 3, 1992
Assignee:
Johnson Matthey Public Limited Company
Inventors:
Barry A. Murrer, Brian R. C. Theobald, Paul D. Savage
Abstract: The invention pertains to a method for immobilizing proteins or peptides onto a flat, microporous membrane surface in a form suitable for sequence analysis or other chemical or enzymatic processes. The process involves the formation of a thin polymer network that entraps the protein or peptide therein.
Type:
Grant
Filed:
July 26, 1989
Date of Patent:
December 10, 1991
Assignee:
Millipore Corporation
Inventors:
Darryl J. C. Pappin, James M. Coull, Hubert Koester
Abstract: Enzymes and other biologically produced materials are recovered from the fermentation broth or other liquor in which they are provided initially and simultaneously distributed throughout particles of a polymeric matrix by dissolving the polymer in the liquor, dispersing the resultant polymer solution in a non-aqueous liquor in the presence of a stabiliser, and azeotroping the dispersion to produce either dry beads or a dispersion of small particles in the non-aqueous liquid.
Type:
Grant
Filed:
August 24, 1989
Date of Patent:
July 30, 1991
Assignee:
Allied Colloids Ltd.
Inventors:
John Langley, Kenneth C. Symes, Peter Holm
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