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. 18, 2009
Filed:
Jan. 14, 2006
Applicants:
Gabriele Lang-wittkowski, Mannheim, DE;
Ekkehard Jahns, Weinheim, DE;
Markus Steffen, Maikammer, DE;
Inventors:
Gabriele Lang-Wittkowski, Mannheim, DE;
Ekkehard Jahns, Weinheim, DE;
Markus Steffen, Maikammer, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a coarse-particled microcapsule preparation comprising microencapsulated latent heat accumulators and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship: and to processes for its production and its use in heat exchangers and building materials.