US PATENT SUBCLASS 562 / 428
.~.~.~.~.~ Indenyl or hydrindenyl

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
405  DF  .~.~ Aromatic {13}
426  DF  .~.~.~ Sulfur {4}
427  DF  .~.~.~.~ Polycyclo ring system {1}
428.~.~.~.~.~ Indenyl or hydrindenyl

DEFINITION

Classification: 562/428

Indenyl or hydrindenyl:

(under subclass 427) Processes which contain the indenyl or hydrindenyl nucleus.

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