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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.:

US 12258446 B1

PDFFull Text
Date of Patent:
Mar. 25, 2025

Filed:

May. 16, 2022

Polyketone powder for laser sintering

Applicant:

Lumas Polymers Llc, Chaska, MN (US);

Inventors:

Steven Kubiak, Edina, MN (US);

Zachary Peterson, New Hope, MN (US);

Nicholas John Dippel, Burnsville, MN (US);

Mathew Artin Torosian, Highlands Ranch, CO (US);

Thomas Fry, Victoria, MN (US);

Assignee:

LUMAS Polymers LLC, Chaska, MN (US);

Attorney:

Young Basile Hanlon & MacFarlane, P.C.

Primary Examiner:

David J Buttner

Int. Cl.
CPC ...
C08G 67/02 (2006.01); B29B 9/02 (2006.01); B29B 13/02 (2006.01); B29C 64/153 (2017.01); B29C 64/314 (2017.01); B33Y 40/10 (2020.01); B33Y 70/00 (2020.01); C08J 3/12 (2006.01); C08J 3/14 (2006.01); C08J 9/00 (2006.01); C08J 9/36 (2006.01); C08L 73/00 (2006.01); C09D 5/03 (2006.01); C09D 173/00 (2006.01); B29K 61/00 (2006.01); B29K 71/00 (2006.01);
U.S. Cl.
CPC ...
C08G 67/02 (2013.01); B29B 9/02 (2013.01); B29B 13/021 (2013.01); B29C 64/314 (2017.08); B33Y 40/10 (2020.01); B33Y 70/00 (2014.12); C08J 3/12 (2013.01); C08J 3/14 (2013.01); C08J 9/0004 (2013.01); C08J 9/36 (2013.01); C08L 73/00 (2013.01); C09D 5/031 (2013.01); C09D 173/00 (2013.01); B29C 64/153 (2017.08); B29K 2061/00 (2013.01); B29K 2071/00 (2013.01); B29K 2995/004 (2013.01); C08G 2140/00 (2013.01); C08G 2150/20 (2013.01); C08J 2201/054 (2013.01); C08J 2361/02 (2013.01); C08J 2373/00 (2013.01); C08L 2205/025 (2013.01);
Abstract

In one instance a semicrystalline polyketone powder useful for additive manufacturing is comprised of a bimodal melt peak determined by an initial differential scanning calorimetry (DSC) scan at 20° C./min and a Dparticle size of at most 300 micrometers and average particle size of 1 micrometer to 150 micrometers equivalent spherical diameter. In another instance, A composition is comprised of a semicrystalline polyketone powder having a melt peak and a recrystallization peak, wherein the melt peak and recrystallization peak fail to overlap.

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