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. 06, 1993
Filed:
Aug. 12, 1992
David Rolf, Minneapolis, MN (US);
Michael F Shelton, Edina, MN (US);
Lec Tec Corporation, Minnetonka, MN (US);
Abstract
The invention provides a method of preserving the life of girdled plants, such as trees, shrubs or flowering plants, comprising applying to the girdled area a wrap composed of a flexible tape backing formed from a water insoluble polymeric sheet, e.g., nonwoven fabric, suited for being wound into a roll or dispensed as cut sheets. To the backing is applied a homogeneous, hydrophilic, stable matrix. The matrix is hydratable by atmospheric moisture, has a bonding surface which conforms to the contours of the plant, and is sufficiently tacky to hold the tape in place after being wrapped around the plant. The matrix includes (a) a liquid phase comprising a hydrophilic, polar, water-miscible liquid for plasticizing the matrix and (b) a water soluble or water swellable hydrophilic film-forming polymer uniformly admixed with said liquid to form a flexible matrix. The matrix serves as a reservoir which is easily hydrated and will swell in a humid environment to assist in carrying plant fluids through the girdled area to thereby preserve the life of the plant.