Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Stauffer Chemical Co
Original Assignee
Stauffer Chemical Co
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Publication date
Application filed by Stauffer Chemical CofiledCriticalStauffer Chemical Co
Priority to ES457160ApriorityCriticalpatent/ES457160A2/en
Publication of ES457160A2publicationCriticalpatent/ES457160A2/en
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Improvements introduced in the object of the main patent no. 427.147, granted on may 25, 1976, by a method to produce ethylene bichloride, by reaction of ethylene with chlorine in a liquid medium, at a temperature comprised between approximately 85 and 160ºc, and wherein a stream of 1,2-dichloroethane containing a minor amount of chloroprene is introduced into the ethylene chlorination reaction zone; *** see image 01 (Machine-translation by Google Translate, not legally binding)
ES457160A1977-03-241977-03-24
A METHOD TO PRODUCE ETHYLENE BICHLORIDE.
ExpiredES457160A2
(en)
A procedure for preparing the isomero without the compounds of 3-cefem-4-carboxylic acid replaced in positions 3 and 7. (Machine-translation by Google Translate, not legally binding)