Patent · US Active

Processes, powders, and shaped bodies of polyamides and calcined kaolin with particular size distribution

US11802191B2 · kind B2 · utility

0Cited by

12References

12Claims

0Family size

Assignee

BASF SE

Inventors

Claus Gabriel · Ludwigshafen am Rhein, DE
Ruth Lohwasser · Ludwigshafen, DE
Rainer Ostermann · Recklinghausen, DE
Simon Gramlich · Ludwigshafen am Rhein, DE
Philipp Kloke · Mannheim, DE

Key dates

Filing date	Feb 16, 2017
Grant date	Oct 31, 2023
Priority date	—
Expiry date	Jun 16, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/025
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a method for producing a molded body by the selective laser sintering of a sinter powder (SP). The sinter powder (SP) contains at least one polyamide (P) and 5 to 50 wt %, preferably 10 to 50 wt %, of at least one aluminum silicate. The at least one aluminum silicate has a D50 value in the range of 2.5 to 4.5 μm. The present invention also relates to molded bodies obtainable by means of the method according to the invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.