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:
Jul. 01, 2008
Filed:
Aug. 16, 2005
Applicants:
Michael Traving, Burscheid, DE;
Wilfried Gutknecht, Goslar, DE;
Werner Bäcker, Wipperfürth, DE;
Wolfgang Kummer, Goslar, DE;
Rainer Ludwig, Berlin, DE;
Inventors:
Michael Traving, Burscheid, DE;
Wilfried Gutknecht, Goslar, DE;
Werner Bäcker, Wipperfürth, DE;
Wolfgang Kummer, Goslar, DE;
Rainer Ludwig, Berlin, DE;
Assignee:
Bayer Technology Services GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/76 (2006.01); B01D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to calix[4]arenes which effectively bind alkali metal ions (Na, K) and transport them over phase boundaries, their preparation and use.