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. 06, 1979
Filed:
Feb. 02, 1977
Applicant:
Inventors:
Jorgen Hartfelt, Horsholm, DK;
Ralf Hoehn, Chelmsford, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ; C08S / ;
U.S. Cl.
CPC ...
51295 ; 51296 ; 5129 / ;
Abstract
An improved article for preparing critical surfaces, in particular for polishing, comprises means including a surface carrying a polishing abrasive of an average particle size less than 10 microns carried on a polymer matrix which has at least one of the following properties, microporosity, hydrophilicity and weak bonding to the polishing abrasive.