Broad spectrum natural preservative composition

Patent metadata

Field	Value
Publication number	US-9497975-B2
Application number	US-201414294933-A
Country	US
Kind code	B2
Filing date	Jun 3, 2014
Priority date	Dec 6, 2011
Publication date	Nov 22, 2016
Grant date	Nov 22, 2016

Abstract

Disclosed herein are preservative compositions comprising effective amounts of an alcohol, such as benzyl alcohol (“BA”), ethyl alcohol or phenyl ethanol, and cinnamon bark oil (“CB”), cinnamaldehyde (“CMA”), thyme oil, thymol, galangal oil, botanical extracts or combinations thereof, each of which are preferably obtained from natural sources. These preservatives have been observed to show broad spectrum anti microbial efficacy in both anionic and cationic formulations. In certain non-limiting embodiments, such compositions further comprise tetrahydrocurcuminoid (“THC”), phenyl ethanol and/or orange oil (“OR”) or rosemary oil (“RM”).

First claim

We claim:

1. An antimicrobial composition consisting essentially of:
between about 0.1 and 0.8 percent weight/weight benzyl alcohol;
between about 0.05 and 0.5 percent weight/weight phenyl alcohol;
between about 0.01 and 0.1 percent weight/weight tetrahydrocurcuminoid, curcumin, or combinations thereof;
between about 0.01 and 0.1 percent weight/weight cinnamon bark oil; and
between about 0.1 and 0.3 percent weight/weight benzoic acid.

2. An antimicrobial composition consisting essentially of:
between about 0.1 and 0.8 percent weight/weight benzyl alcohol;
between about 0.05 and 0.5 percent weight/weight phenyl alcohol;
between about 0.01 and 0.1 percent weight/weight tetrahydrocurcuminoid, curcumin, or combinations thereof;
between about 0.01 and 0.1 percent weight/weight cinnamon bark oil;
between about 0.1 and 0.3 percent weight/weight benzoic acid;
between about 0.05 and 0.1 percent weight/weight thymol; and
between about 0.5 and 1 percent weight/weight of a botanical extract selected from the group consisting of grapefruit seed extract, calendula extract, and combinations thereof.

Assignees

• Univ Columbia

Inventors

• Modak Shanta M
• Dongre Santoshkumar Hanmantrao
• Baiju Nayana
• Caraos Lauserpina A

Classifications

• A61P31/00

  Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics · CPC title

• A01N65/44

  Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass · CPC title

• A61K8/9794

  Liliopsida [monocotyledons] · CPC title

• A61K8/34

  Alcohols · CPC title

• A61K8/35

  Ketones, e.g. benzophenone · CPC title