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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 11793731 B1

PDFFull Text
Date of Patent:
Oct. 24, 2023

Filed:

Dec. 19, 2018

Multi-part dental composition having staged viscosity prior to hardening

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Gregory A. Kobussen, Woodbury, MN (US);

Ahmed S. Abuelyaman, Woodbury, MN (US);

Paul J. Homnick, Lake Elmo, MN (US);

Bradley D. Craig, Lake Elmo, MN (US);

Ying Lin, Woodbury, MN (US);

Hassan Sahouani, Hastings, MN (US);

Chuntao Cao, Woodbury, MN (US);

William H. Moser, Edina, MN (US);

Kolby L. White, Woodbury, MN (US);

Joseph D. Rule, Woodbury, MN (US);

Joachim Zech, Kaufering, DE;

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);

Attorney:

3M Innovative Properties Company

Primary Examiner:

Peter A Salamon

Int. Cl.
CPC ...
A61K 6/30 (2020.01); A61K 6/77 (2020.01); A61K 6/887 (2020.01); A61K 6/76 (2020.01); A61K 6/62 (2020.01); C08K 3/22 (2006.01); C08K 3/40 (2006.01); C08K 9/06 (2006.01); C08L 33/10 (2006.01); C08L 33/14 (2006.01);
U.S. Cl.
CPC ...
A61K 6/30 (2020.01); A61K 6/62 (2020.01); A61K 6/76 (2020.01); A61K 6/77 (2020.01); A61K 6/887 (2020.01); C08K 3/22 (2013.01); C08K 3/40 (2013.01); C08K 9/06 (2013.01); C08L 33/10 (2013.01); C08L 33/14 (2013.01);
Abstract

Disclosed herein are non-aqueous compositions including: a flowable Part A including at least one resin and Reactant A; and a flowable Part B including at least one resin and Reactant B; wherein at least one of flowable Part A and flowable Part B further includes a free radically polymerizable resin; wherein at least one of flowable Part A and flowable Part B further includes a free radical initiator system; wherein flowable Part A and flowable Part B are capable of being mixed to provide a flowable mixed composition; wherein when flowable Part A and flowable Part B are mixed, Reactant A and Reactant B are capable of interacting to cause a non-free radical reaction within a first staging time to provide a first staged stable consistency for the mixed composition; wherein Reactant A comprises an acid and Reactant B comprises a base, and upon mixing flowable Part A and flowable Part B, the Reactant A acid is capable of reacting with the Reactant B base in an ionic acid-base reaction; and wherein the mixed composition having the first staged stable consistency is capable of forming a hardened dental composition upon initiation of free radical polymerization.

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