US PATENT SUBCLASS 560 / 121
.~.~ Cyclopentyl in acid moiety (e.g., prostaglandins, etc.)

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}
121.~.~ Cyclopentyl in acid moiety (e.g., prostaglandins, etc.) {1}
122  DF  .~.~.~> Cyclopentyl-COOR, -C-COOR or -C-C-COOR

DEFINITION

Classification: 560/121

Cyclopentyl in acid moiety (e.g., prostaglandins, etc.):

(under subclass 1) Compounds in which the acid radical contains a cyclopentyl group.

(1) Note. This subclass contains the class of compounds known as prostaglandins.

(2) Note. This subclass contains, for example: [figure] [figure]