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:
Jul. 03, 1984
Filed:
Jun. 30, 1982
Applicant:
Inventors:
Hans Diem, Mannheim, DE;
Robert Fritsch, Dudenhofen, DE;
Heinz Lehnert, Frankenthal, DE;
Guenther Matthias, Frankenthal, DE;
Hermann Schatz, Neustadt, DE;
Otto Wittmann, Frankenthal, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C09J / ; C09J / ;
U.S. Cl.
CPC ...
524595 ; 1563319 ; 525390 ; 525398 ; 524501 ; 524541 ; 524596 ;
Abstract
An aqueous solution of a resin glue comprising formaldehyde, urea, melamine and phenol is obtained when phenol, formaldehyde and not more than 0.35 mole of an alkali metal bisulfite per mole of phenol are reacted to give a phenol-formaldehyde condensate, formaldehyde and urea in a molar ratio of not more than 2.5 are reacted to give a urea-formaldehyde condensate, and the reaction products are in turn reacted with melamine and formaldehyde.