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:
Aug. 03, 2010
Filed:
Jan. 14, 2005
Applicants:
Sophia Ebert, Mannheim, DE;
Thomas Gessner, Heidelberg, DE;
Ruediger Sens, Ludwigshafen, DE;
Christos Vamvakaris, Mannheim, DE;
Inventors:
Sophia Ebert, Mannheim, DE;
Thomas Gessner, Heidelberg, DE;
Ruediger Sens, Ludwigshafen, DE;
Christos Vamvakaris, Mannheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B 47/00 (2006.01); C07D 487/22 (2006.01); C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to the use of specific phthalocyanines which bear substituents on the basic phthalocyanine structure bonded via methylene groups as markers for liquids, especially mineral oils, to liquids, especially mineral oils which comprise at least one such phthalocyanine as a marker, and also to novel specific phthalocyanines which bear substituents on the basic phthalocyanine structure bonded via methylene groups.