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:
Feb. 21, 2017
Filed:
Sep. 18, 2013
Applicant:
Rohm and Haas Company, Philadelphia, PA (US);
Inventors:
Fanwen Zeng, Belle Mead, NJ (US);
Boris Polanuyer, Lansdale, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/02 (2006.01); G01N 1/18 (2006.01); A61K 8/11 (2006.01);
U.S. Cl.
CPC ...
G01N 30/02 (2013.01); A61K 8/11 (2013.01); G01N 2030/027 (2013.01); Y10T 436/143333 (2015.01); Y10T 436/25375 (2015.01);
Abstract
Described are methods of determining free hydrophobic active in aqueous formulations including the steps of encapsulating a hydrophobic active, preparing a formulation containing encapsulated hydrophobic active, adding a cyclodextrin to the formulation, thereby entraining any free hydrophobic active; and quantifying the amount of free hydrophobic active.