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:
Feb. 27, 2001
Filed:
Aug. 05, 1997
Applicant:
Inventor:
Manfred Schmuck, Essen, DE;
Assignee:
Th Goldschmidt Ag, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 1/340 ; C04B 2/412 ;
U.S. Cl.
CPC ...
D21H 1/340 ; C04B 2/412 ;
Abstract
A is a process for preparing insulant boards based on mineral and paper fiber by slurrying mineral fiber, binder and customary additives in water, forming the insulant board by applying the slurry to a wire, and drying and consolidating the insulant board, which comprises using surface-active compounds to achieve faster and better drainage of the filter residues to be dried.