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. 01, 2022
Filed:
Jul. 14, 2017
Hewlett-packard Development Company, L.p., Spring, TX (US);
Shannon Reuben Woodruff, San Diego, CA (US);
Ali Emamjomeh, San Diego, CA (US);
Yi Feng, San Diego, CA (US);
Erica Fung, San Diego, CA (US);
Carolin Fleischmann, San Diego, CA (US);
Geoffrey Schmid, San Diego, CA (US);
Hewlett-Packard Development, L.P., Spring, TX (US);
Abstract
This disclosure relates to a method of 3-D printing comprising: applying a layer of build material onto a print platform, wherein the build material comprises particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group; printing a de-protecting agent at selected locations on the layer of build material; and coalescing particles of the polymer at the printed locations on the layer of build material to form a coalesced polymer layer.