Herbert A Lieberman

US Patent:

51888181, Feb 23, 1993

Filed:

Mar 30, 1992

Appl. No.:

7/859786

Inventors:

John J. Merianos - Middletown NJ
Paul Garelick - South Plainfield NJ
Herbert A. Lieberman - Livingston NJ

Assignee:

ISP Investments Inc. - Wilmington DE

International Classification:

A61K 716

US Classification:

424 49

Abstract:

A toothpaste composition is provided which includes the strontium salt of maleic anhydride-methyl vinyl ether copolymer. This ingredient is capable of desensitizing the nerve endings of a tooth in saliva or water because of an extension of the contact time of the strontium on the tooth surface.

US Patent:

50081063, Apr 16, 1991

Filed:

Dec 14, 1989

Appl. No.:

7/450695

Inventors:

John J. Merianos - Middletown NJ
Herbert A. Lieberman - Livingston NJ
Robert B. Login - Oakland NJ

Assignee:

GAF Chemicals Corporation - Wayne NJ

International Classification:

A61K 3179
C01B 1501

US Classification:

424 80

Abstract:

What is provided herein is a method for reducing the microbial content of surfaces which comprises contacting said surface with a microbiocidal amount of a substantially anhydrous complex of PVP and H. sub. 2 O. sub. 2.

US Patent:

52099229, May 11, 1993

Filed:

Mar 19, 1992

Appl. No.:

7/855358

Inventors:

John J. Merianos - Middletown NJ
Herbert A. Lieberman - Livingston NJ
Paul Garelick - South Plainfield NJ

Assignee:

ISP Investments Inc. - Wilmington DE

International Classification:

A61K 912
A61K 31785

US Classification:

424 46

Abstract:

This invention relates to an antifungal block copolymer of poly(vinyl lactam) having the formula ##STR1## where m has a value of from 1 to 3 and from about 15 to about 25 wt. % of a quaternized amino alkyl acrylamide comonomer wherein the quaternizing anion is in part halide --O--CO(CH. sub. 2). sub. s CH. dbd. CHZ wherein s has a value of from 4 to 14 and Z is hydrogen or a C. sub. 1 to C. sub. 4 alkyl radical, which copolymer is comprised of the following units ##STR2## wherein m has a value of from 1 to 3; p has a value of from 1 to 5; r has a value of from 2 to 6; each of X and Y is hydrogen or a C. sub. 1 to C. sub. 4 alkyl and each of R. sub. 1, R. sub. 2 and R. sub. 3 is C. sub. 1 to C. sub. 4 alkyl. The invention also relates to the use of the above polymers as antifungal agents.