Patent ID: 7135525

Claim:
A sinter powder comprising: at least one polyamide in the form of a particle; and at least one poly(N-methylmethacrylimide) (PMMI), in the form of a particle; wherein the the median grain size d 50 of the particles of PMMI is within 20% of the median grain size d 50 of the polyamide particles, wherein the PMMI has at least the following constituents: i) from 14 to 85 parts by weight of: ii) from 10 to 75 parts by weight of: iii) from 0 to 15 parts by weight of: iv) from 1 to 20 parts by weight of: wherein R 1 to R 5 are identical or different aliphatic or alicyclic radicals having from 1 to 40 carbon atoms.