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:
Apr. 24, 1990
Filed:
Apr. 14, 1989
Applicant:
Inventors:
Joost Monstrey, Knokke-Heist, BE;
Bart Wallaeys, Gent, BE;
Assignee:
Recticel, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521131 ; 521181 ;
Abstract
A phenol foam and a method for preparing substantially closed cell shaped resins on the basis of the condensation product between, on the one hand an either or not substituted phenol and/or phenol derivative and, on the other hand an aldehyde by using a blowing means for forming a hard phenol foam, whereby a physical blowing means comprising chlorine-propane is used.