US PATENT SUBCLASS 562 / 440
.~.~.~.~ Nitrogen double bonded directly to carbon (e.g., amidine, ketimine, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
433  DF  .~.~.~ Nitrogen bonded directly to carbon of organic radical (e.g., amino acids, etc.) {9}
440.~.~.~.~ Nitrogen double bonded directly to carbon (e.g., amidine, ketimine, etc.)

DEFINITION

Classification: 562/440

Nitrogen double bonded directly to carbon (e.g. amidine, ketimine, etc.):

(under subclass 433) Compounds wherein the acid contains an amidine group (-C(=N)-N) or the group -C=N- equivalent in structure to those formed by reacting an aldehyde or a ketone with ammonia or an amine.

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