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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 11396000 B1

PDFFull Text
Date of Patent:
Jul. 26, 2022

Filed:

Jan. 13, 2017

Friable shell microcapsules, process for preparing the same and method of use thereof

Applicant:

Isp Investments Llc, Wilmington, DE (US);

Inventors:

Kishor Kumar Mistry, West Yorkshire, GB;

Assim Fiaz, West Yorkshire, GB;

Abdul Wahab Hussain, West Yorkshire, GB;

Terry Crutcher, Hillsborough, NJ (US);

Assignee:

ISP INVESTMENTS LLC, Wilmington, DE (US);

Attorneys:

William J. Davis

Nathalie Tietcheu

Primary Examiner:

Peter D Mulcahy

Int. Cl.
CPC ...
B01J 13/14 (2006.01); A61Q 5/12 (2006.01); A61Q 15/00 (2006.01); A61K 8/81 (2006.01); B01J 13/18 (2006.01); C11D 3/50 (2006.01); C11D 11/00 (2006.01); A23P 10/30 (2016.01); A61Q 5/06 (2006.01); C08L 33/00 (2006.01); A61Q 17/04 (2006.01); A61Q 19/10 (2006.01); A01N 25/28 (2006.01); B32B 27/14 (2006.01); A23L 27/00 (2016.01); A61K 8/11 (2006.01); C11D 17/00 (2006.01); C08F 2/28 (2006.01); C08F 20/06 (2006.01); C08F 20/08 (2006.01); C08F 20/20 (2006.01); C08F 20/26 (2006.01); C08F 26/10 (2006.01); C08F 222/10 (2006.01); C08K 5/14 (2006.01); C08K 5/23 (2006.01);
U.S. Cl.
CPC ...
B01J 13/14 (2013.01); A01N 25/28 (2013.01); A23L 27/72 (2016.08); A23P 10/30 (2016.08); A61K 8/11 (2013.01); A61K 8/8147 (2013.01); A61Q 5/06 (2013.01); A61Q 5/12 (2013.01); A61Q 15/00 (2013.01); A61Q 17/04 (2013.01); A61Q 19/10 (2013.01); B01J 13/185 (2013.01); B32B 27/14 (2013.01); C08F 2/28 (2013.01); C08F 20/06 (2013.01); C08F 20/08 (2013.01); C08F 20/20 (2013.01); C08F 20/26 (2013.01); C08F 26/10 (2013.01); C08L 33/00 (2013.01); C11D 3/502 (2013.01); C11D 3/505 (2013.01); C11D 11/0017 (2013.01); C11D 11/0023 (2013.01); C11D 17/0039 (2013.01); A61K 2800/412 (2013.01); C08F 222/104 (2020.02); C08K 5/14 (2013.01); C08K 5/235 (2013.01);
Abstract

The present application describes a microcapsule comprising: (i) a lipophilic core material, and (ii) a microcapsule shell, wherein microcapsule shell formed from oil-in-water emulsion polymerisation of monomer mixture consisting essentially of: (a) greater than 70 to about 99% by weight of at least one polyfunctional ethylenically unsaturated monomer, (b) about 1 to about 30% by weight of at least one unsaturated carboxylic acid monomer or its ester, and (c) about 0 to about 30% by weight of at least one vinyl monomer. Also provides process for preparing the same and its method of use in various applications.

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