US PATENT SUBCLASS 562 / 405
.~.~ Aromatic

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.~.~ Aromatic {13}
406  DF  .~.~.~> Preparation by carbonylation
407  DF  .~.~.~> Formation of carboxyl group by oxidation {1}
423  DF  .~.~.~> Preparation by carbonation {1}
426  DF  .~.~.~> Sulfur {4}
433  DF  .~.~.~> Nitrogen bonded directly to carbon of organic radical (e.g., amino acids, etc.) {9}
459  DF  .~.~.~> Aldehyde or ketone {3}
465  DF  .~.~.~> Oxy {7}
479  DF  .~.~.~> Decarboxylation of polycarboxylic acid or salt
480  DF  .~.~.~> Polycarboxylic acids or salts thereof {7}
490  DF  .~.~.~> Naphthyl group
491  DF  .~.~.~> Plural rings bonded directly to the same carbon
492  DF  .~.~.~> Rings bonded directly to each other
493  DF  .~.~.~> Monocyclic {3}

DEFINITION

Classification: 562/405

Aromatic:

(under subclass 400) Compounds wherein the acid contains a benzene nucleus.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

403+, for carboxylic acids and salts thereof wherein the acids contain a hydrophenanthrene nucleus and have a known chemical structure not elsewhere provided for, as for example, dihydroabietic acid or dehydroabietic acid.