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:
Apr. 21, 2015
Filed:
Aug. 22, 2011
Applicants:
George Robert Hodges, Bracknell, GB;
Dominik Faber, Munchwilen, CH;
Alan James Robinson, Munchwilen, CH;
Andrew Charles Shaw, Sunbury on Thames, GB;
Inventors:
George Robert Hodges, Bracknell, GB;
Dominik Faber, Munchwilen, CH;
Alan James Robinson, Munchwilen, CH;
Andrew Charles Shaw, Sunbury on Thames, GB;
Assignees:
Syngenta Paticipations AG, Basel, CH;
Syngenta Limited, Guildford, Surrey, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 17/25 (2006.01); C07C 22/02 (2006.01); C07C 23/08 (2006.01);
U.S. Cl.
CPC ...
C07C 17/25 (2013.01); C07C 23/08 (2013.01); C07C 2101/10 (2013.01);
Abstract
The invention relates to a process for the preparation of formula (I) which process comprises pyrolyzing a compound of formula (II) wherein X is chloro or bromo, and to compounds which may be used as intermediates for the manufacture of the compound of formula I and to the preparation of said intermediates.