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:
Dec. 15, 1992
Filed:
Jan. 16, 1990
Applicant:
Inventors:
Peter Heidel, Bobingen, DE;
Wilhelm Adam, Neu-Isenburg, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; C08G / ;
U.S. Cl.
CPC ...
428285 ; 428286 ; 428287 ; 428290 ; 428300 ; 428301 ; 528242 ; 528243 ; 528265 ; 528268 ;
Abstract
A carrier web of a sheet-like fiber material consisting of a glass fiber mat and a mat of synthetic fibers, which and are needled together and are end-consolidated with a polymer-free low-formaldehyde melamine-formaldehyde precondensate, and a process for its preparation are described. The carrier web is preferably end-consolidated with a melamine-formaldehyde precondensate which is partly etherified and/or sulfamate-modified.