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:
Feb. 20, 1979
Filed:
Oct. 03, 1977
Applicant:
Inventors:
Assignee:
Ciba-Geigy AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08G / ; C08C / ;
U.S. Cl.
CPC ...
528392 ; 526283 ; 526308 ; 2606 / ; 2606 / ; 2606 / ; 2606 / ;
Abstract
New halogenated bis(cyclopentadienyl) compounds of the general formula ##STR1## in which X represents a halogen atom having an atomic number of at most 35, that is to say a fluorine, bromine or preferably chlorine atom, R.sub.1 and R.sub.1 ' each represents a hydrogen atom or a methyl group, and n = 1, 2, 3 or 4. The monomer of the formula (I) undergoes spontaneous dimerization or oligomerization respectively after it is formed. The oligomer has the formula ##STR2## WHERE P IS 2 TO 20.
Widmer, Franz. (1979). Nuclear halogenated .alpha.,.alpha.'-bis(cyclopentadienyl)xylene (U.S. Patent No. 4140843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4140843
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile