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:
Dec. 31, 2002
Filed:
Aug. 13, 1999
Applicant:
Inventors:
Robin William Dexter, Yardley, PA (US);
Brian Eric Benoff, Hawthorne, NJ (US);
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 2/528 ;
U.S. Cl.
CPC ...
A01N 2/528 ;
Abstract
The present invention provides pH-sensitive micro-capsules, compositions containing them, methods for their preparation and methods for their use.