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. 28, 2000
Filed:
Nov. 07, 1995
Applicant:
Inventor:
Jacob Frank de Groot, Roermond, NL;
Assignee:
Rockwool/Grodan B.V., , NL;
Primary Examiner:
Int. Cl.
CPC ...
A01G / ; C01L / ;
U.S. Cl.
CPC ...
71 6413 ; 47 485 ; 47 64 ; 47 74 ; 71903 ; 71904 ;
Abstract
The invention relates to a coherent growth substrate based on a synthetic matrix containing clay in a quantity of 0.1-2.5% by weight such that at a suction pressure of pf=2 the moisture content is lower than 15% by volume, preferably for use as a grow-block and for a grow-slab.