US PATENT SUBCLASS 560 / 211
.~.~.~.~ Formation of ethylenic unsaturation


Current as of: June, 1999
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560 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
1  DF  .~ Carboxylic acid esters {14}
129  DF  .~.~ Acyclic acid moiety {9}
205  DD  .~.~.~ Unsaturation in acid moiety {15}
211.~.~.~.~ Formation of ethylenic unsaturation {3}
212  DD  .~.~.~.~.~> By dehydration or dealcoholization
213  DD  .~.~.~.~.~> By dehalogenation or dehydrohalogenation
214  DD  .~.~.~.~.~> By dehydrogenation