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:
Nov. 01, 2005
Filed:
Oct. 15, 2002
Applicants:
Hans-michael Kühl, Hirschberg, DE;
Gerhard Graab, Mannheim, DE;
Inventors:
Hans-Michael Kühl, Hirschberg, DE;
Gerhard Graab, Mannheim, DE;
Assignee:
Carl Freudenberg KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47B013/08 ;
U.S. Cl.
CPC ...
Abstract
A table- or workbench covering made of a first electrically conductive layer having a specific resistance in the range of 5×10Ωcm to 5×10Ωcm, and a second electrically conductive layer having a specific resistance in the range of 5×10Ωcm to 5×10Ωcm, the layers being made of rubber mixtures containing antistatic agents and/or electrically conductive particles and are calendered together as well as connected by vulcanization, and which have a sulfate content of <100 μg/cm, extractable using deionized water.