David C Scheer, 46Beaumont, TX

5912174, Jun 15, 1999

Nov 20, 1995

8/559894

David Scheer - Guilford CT
Bernard M. Babior - San Diego CA

C12N 500
A61K 3514

435374

Methods of stabilizing lymphocytes and/or stem cells obtained from a mammal by suspending them in an aqueous medium comprising gelatin.

6080746, Jun 27, 2000

Oct 16, 1991

7/776895

David I. Scheer - Branford CT

A61K 716
A61K 7035
A61K 742

514258

Methods and compositions for preventing or treating cytomegalovirus infections by the use of carbocyclic analogues of purine and pyrimidine nucleosides.

5210096, May 11, 1993

Jul 10, 1991

7/728896

David I. Scheer - Guilford CT

Chai-Tech Corporation - Greenvale NY

A61K 34295

514501

Compositions having significant activity as antiviral agent are disclosed containing, as an active component, a compound having the structural formula: ##STR1## wherein R. sub. 1 and R. sub. 1' are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group; wherein R. sub. 2 and R. sub. 2' are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R. sub. 3 and R. sub. 3' are the same or different and each is hydrogen or an alkyl group; wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; and Q. sup. - is a soluble, pharmaceutically acceptable negative ion. Methods of use of the inventive compositions are also disclosed.

5106841, Apr 21, 1992

Mar 30, 1990

7/502294

David I. Scheer - Guilford CT

Chai-Tech Corporation - Greenvale NY

A61K 3133
A61K 31555

514185

Compositions having significant activity as antiviral agent are disclosed containing, as an active component, a compound having the structural formula: ##STR1## wherein R. sub. 1 and R. sub. 1' are the same or different and each is an alkyl group, a phenyl group or a substituted derivative of a phenyl group; wherein R. sub. 2 and R. sub. 2' are the same or different and each is hydrogen, an unbranched alkyl group, a halide or a group having the structure ##STR2## wherein R is hydrogen, an alkoxide group, an alkyl group, or OH; wherein R. sub. 3 and R. sub. 3' are the same or different and each is hydrogen or an alkyl group; wherein X and X' are the same or different and each is a water soluble group having weak to intermediate ligand field strength; and Q. sup. - is a soluble, pharmaceutically acceptable negative ion. Methods of use of the inventive compositions are also disclosed.