The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2014
Filed:
Sep. 30, 2010
David E. Lewis, Eau Claire, WI (US);
Michael D. Caldwell, Milladore, WI (US);
David E. Lewis, Eau Claire, WI (US);
Michael D. Caldwell, Milladore, WI (US);
Marshfield Clinic Health System, Inc., Marshfield, WI (US);
Abstract
A composition is provided that, when utilized in combination with warfarin, greatly improves the anticoagulant effects of warfarin in mammalian subjects. The composition is a compound having a naphthohydroquinone ring system substantially similar to the ring system of the reduced form of vitamin Kand has the general formula: where Rand Rare hydrogen or acyl, Ris a saturated or unsaturated alkyl group with up to 6 carbons, and Ris a saturated or unsaturated alkyl group with up to 20 carbons, or Rand Rare part of a cyclic or polycyclic ring system.