A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
47/21, 71/40, 71
A01N 33/18 (2006.01) A01G 13/02 (2006.01) A01N 25/34 (2006.01)
Patent
CA 1323769
ABSTRACT OF THE DISCLOSURE Disclosed is a material for preventing the entry of roots into unwanted areas such as waste burial cites, underground pipelines, basement and sidewalks. The material comprises a sheet of water-permeable material carrying distributed bodies of polymer containing a root-repellant 2,6-dinitroaniline compound preferably together with carbon black. Because of the shape, the material may be applied uniformly and quickly, and the 2,6-dinitroaniline compound is slowly released over many years, for example, 50 to 100 years.
574934
Burton Frederick G.
Cataldo Dominic A.
Cline John F.
Skiens W. Eugene
Van Voris Peter
Battelle Memorial Institute Pacific Northwest Division
Fetherstonhaugh & Co.
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