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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.:

US 6790894 B1

PDFFull Text
Expired
Date of Patent:
Sep. 14, 2004

Filed:

Jun. 05, 2002

Rubber-based soundproofing material

Applicant:
Inventors:

Frank Albracht, Waltershausen, DE;

Gerd Lotze, Dresden, DE;

Karl-Heinz Krause, Chemnitz, DE;

Gerhard Merkmann, Gotha, DE;

Wolfgang Timm, Gotha, DE;

Assignee:

Thüringen GmbH, Waltershausen, DE;

Attorney:

Collard & Roe, P.C.

Primary Examiner:

David W Wu

Assistant Examiner:

Rip A Lee

Int. Cl.
CPC ...
C08L 3/10 ;
U.S. Cl.
CPC ...
C08L 3/10 ;
Abstract

A rubber-based soundproofing material comprises a mixture of a rubber blend, a metal or its oxides, alloys or salts, and conventional mixing ingredients. The mixture is either a non-blended chlorobutyl rubber, bromobutyl rubber or acrylate rubber, or a blend of nitrile rubber or styrene-butadiene rubber with epoxidized natural rubber. The mixture has the following proportions: 10-15% by wt. rubber or rubber blend, 85-40% by wt. metal or its oxides, alloys or salts, and 5-10 wt. % mixing ingredients.

Find Patent Forward Citations

Albracht, Frank. (2004). Rubber-based soundproofing material (U.S. Patent No. 6790894). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6790894

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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