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. 08, 2005
Filed:
Sep. 27, 2000
Applicants:
Marco LA Greca, Milan, IT;
Roberto Massini, Caravaggio, IT;
Jorge Pasalaigua Huguet, Valls Tarragona, ES;
Inventors:
Marco La Greca, Milan, IT;
Roberto Massini, Caravaggio, IT;
Jorge Pasalaigua Huguet, Valls Tarragona, ES;
Assignee:
Techint Compagnia Tecnica Internazionale S.p.A., Milan, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C013/00 ; C03C003/091 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a biologically-degradable glass fiber composition having good mechanical properties, good workability and in particular fiber-forming-capabilty features and resistance to humidity. The concentrations expressed in percent by weight for each component being the object of the invention are: SiO: 61 to 66; AlO: 1.1 to 2.1; (CaO+MgO): higher than 9; (NaO+KO): higher than 18; BO: 4 to 15; PO: 0 to 5; SO: 0 to 1; FeO: 0 to 0.5; Others: less than 2.