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:
Sep. 11, 2001
Filed:
Feb. 14, 2000
Laurence Marie Bernard, Bebington, Wirral, GB;
Jonathan Edward Creeth, Bebington, Wirral, GB;
William John Stead, Bebington, Wirral, GB;
ilever Home & Personal Care USA, a division of Conopco, Inc., Greenwich, CT (US);
Abstract
The present invention relates to a process for treating a mixture of a liquid oil and a copper chlorophyll extract with a mixture of at least 90% by weight of a C,-C,alcohol, and water at a certain concentration. The thus treated mixture is then suitable for making micro capsules with a green colorer liquid core material comprising said mixture by means of complex coaceration. These microcapsules can be included in oral care products to import a speckled appearance thereto. The liquid oil is typically sunflower oil or paraffin oil, and the C,-C,alcohol is typically ethanol or isopropanol.