Patent · US Active

Support materials for 3D printing

US10259921B2 · kind B2 · utility

1Cited by

8References

9Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Roland Bayer · Walsrode, DE
Aleksander J. Pyzik · Midland, US
Sharon Allen · Midland, US

Key dates

Filing date	Jan 9, 2015
Grant date	Apr 16, 2019
Priority date	—
Expiry date	May 19, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2467/04
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A three-dimensionally printed article comprises a build material and a support material, the support material comprising a hydroxypropyl methylcellulose having a DS of at least 1.0 and an MS of at least 0.6, wherein DS is the degree of substitution of methoxyl groups and MS is the molar substitution of hydroxypropoxyl groups. The support material can be removed from the build material by contacting the support material with water.

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