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:
Sep. 07, 2004
Filed:
Oct. 29, 2003
Applicant:
Inventors:
Vilho Nissinen, Numminen, FI;
Timo Nyberg, Espoo, FI;
Pasi Rajala, Turku, FI;
Lars Grönroos, Tampere, FI;
Pentti Virtanen, Toijala, FI;
Veli Käsmä, Tampere, FI;
Hannu Niemelä, Kuopio, FI;
Assignee:
Metso Paper Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/40 ;
U.S. Cl.
CPC ...
B05D 1/40 ;
Abstract
Apparatus for forming a paper or board web made from fibers in which the web is treated with calcium hydroxide and then with carbon dioxide gas so as to form calcium carbonate.