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:
Jun. 12, 2018
Filed:
Sep. 10, 2014
Conopco, Inc., Englewood Cliffs, NJ (US);
Stuart Anthony Barnett, Bebington, GB;
Craig Warren Jones, Bebington, GB;
Adam John Limer, Shanghai, CN;
James Merrington, Bebington, GB;
Jeremy Nicholas Winter, Bebington, GB;
Conopco, Inc., Englewood Cliffs, NJ (US);
Abstract
The invention provides a benefit agent delivery particle having an average diameter of less than 50 micron comprising; at least one shell formed by a step-growth polymerization reaction, preferably involving an isocyanate monomer, more preferably a urethane and/or a urea. interior said shell, at least one region formed by chain-growth polymerization reaction (preferably a free-radical polymerization) which does not involve an isocyanate, c) optionally, a benefit agent interior to said shell, and/or a deposition aid exterior to said shell. The invention further provides a process for the preparation of such particles wherein the shell is formed prior to the chain-growth polymerization of the at least one region interior of the shell, preferably be forming the shell at a temperature at which the chain-growth reaction is inhibited. The invention further provides fully formulated products, preferably liquids and gels, which contain said benefit agent delivery particles and a method of treating substrates using said products.