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:
May. 19, 1992
Filed:
Sep. 18, 1990
Siegfried Hopperdietzel, Selb, DE;
Rehau AG & Co., Rehau, DE;
Abstract
A method of making a shaped thermoplastic article includes the following steps: mixing plastic filler particles of a maximum size of 0.7 mm to a thermoplastic material in a maximum percentage of about 15 weight percent for affecting a surface roughness of the article; processing the mixture resulting from the mixing step to obtain the shaped thermoplastic article; and maintaining the temperature of the mixture during the performance of the mixing and processing steps at a level below the melting temperature of the plastic filler particles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile