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:
May. 13, 2003
Filed:
Sep. 15, 2000
Applicant:
Inventors:
Erling Lennart Hansen, Gentoffe, DK;
Jacob Frank De Groot, Roermond, NL;
Assignee:
Rockwool International A/S, Hedenhusene, DK;
Primary Examiner:
Int. Cl.
CPC ...
B29C 6/724 ; A01G 3/100 ;
U.S. Cl.
CPC ...
B29C 6/724 ; A01G 3/100 ;
Abstract
The present invention relates to a process for the manufacture of mineral wool plant growth substrate having a coherent hydrophilic matrix of mineral wool fibres connected by cured binder, comprising the steps of: providing mineral wool fibres; applying to the mineral wool fibres as a binder a phenol-formaldehyde resin and a furan resin; forming a matrix of the mineral wool fibres; and curing the binder and to the obtainable mineral wool plant growth substrate.