US 5,707,993 AGranted

Glycine anhydride dimethylol as a biocide and preservative

AssigneeISP Chemicals Inc.

InventorsPhilip A. Berke, William E. Rosen

Life of this patent

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Abstract

The use of glycine anhydride dimethylol, also known as 1,4-bis(hydroxymethyl)-2,5-piperazinedione, comprising the formula ##STR1## to kill microorganisms present in or on a host substance and to preserve products susceptible to contamination by a variety of microorganisms is disclosed.

Claims5

Dependent claims

A method of killing microorganisms in or on a host substance comprising administering to the substance an effective biocidal amount of glycine anhydride dimethylol of the formula:

##STR4##

Dependencies are inferred from the claim text.

Facts

Application: 08/058,238Filed 10 May 1993 · division
Priority: 1 May 1991
Granted: 13 Jan 1998
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

A61K 8/494
Containing heterocyclic compounds: with more than one nitrogen as the only hetero atom
A01N 43/60
Having rings with two nitrogen atoms as the only ring hetero atoms: 1,4-Diazines; Hydrogenated 1,4-diazines
A23B 2/771
Organic compounds; Microorganisms; Enzymes: organic compounds containing hetero rings
A61K 31/495
Having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins: having six-membered rings with two or more nitrogen atoms as the only ring…

Family

Serial694,252Parent of this division · filed 1 May 1991
US 5,244,653 AParent of this division
US 5,707,993 AThis patent

From the US filing history. Foreign family members aren’t listed.

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