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:
Dec. 23, 1986
Filed:
Dec. 06, 1984
Applicant:
Inventors:
Joachim Thormer, Leverkusen, DE;
Friedrich Leibbrandt, Kuerten, DE;
Zsolt Szentivanyi, Leverkusen, DE;
Hartmuth Buding, Dormagen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524426 ; 522 24 ; 522151 ; 524566 ; 5253293 ; 525338 ; 526338 ;
Abstract
Equipment for the exploration and/or production of petroleum and natural gas having elastomeric components have high resistance to materials encountered if the elastomeric components are shaped from a hydrogenated butadiene-acrylonitrile copolymer with a residual double bond content less than 1% and unhydrogenated nitrile groups.