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:
Oct. 23, 2007
Filed:
Feb. 23, 2004
Applicant:
Hans-joachim Weippert, Aalen, DE;
Inventor:
Hans-Joachim Weippert, Aalen, DE;
Assignee:
Carl-Zeiss-Stiftung trading as Carl Zeiss, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/483 (2006.01); C09K 3/00 (2006.01); G02B 3/12 (2006.01); C11D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An immersion liquid for microscopy using water immersion objectives has a refractive index in the range from 1.25 to 1.4 and a kinematic viscosity of greater than 20 mm/s at 20° C.