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:
Mar. 07, 2000
Filed:
Jan. 28, 1997
Vijayendra Kumar, New Castle, DE (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A sod comprising a root support matrix that itself comprises a mixture of soil and/or sand, and shredded carpet fragments, wherein the shredded carpet fragments are from about one-tenth percent (0.1%) to about five percent (5.0%) by weight of the matrix; and a plurality of plants growing in said root support matrix, said plants having roots entangled with said shredded carpet fragments. The shredded carpet fragments comprise a mass of entangled face yarns some of which yarns have bits of carpet backing material attached thereto, wherein at least about ninety percent (90%), and more preferably at least about ninety-five percent (95%), of the bits of carpet backing material have no one dimension greater than about one-quarter (0.25) inch.