US PATENT SUBCLASS 585 / 415
.~.~ Product compound has more C atoms than feed compound, e.g., cyclic polymerization, etc.

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

400  DF  AROMATIC COMPOUND SYNTHESIS {15}
407  DF  .~ By ring formation from nonring moiety, e.g., aromatization, etc. {7}
415.~.~ Product compound has more C atoms than feed compound, e.g., cyclic polymerization, etc. {2}
416  DF  .~.~.~> Triple bond-containing feed
417  DF  .~.~.~> Using transition metal-containing catalyst

DEFINITION

Classification: 585/415

Product compound has more C atoms than feed compound, e.g.,

cyclic polmerization, etc.:

(under subclass 407) Subject matter in which the aromatic product of the synthesis contains more carbon atoms than a feedstock compound which supplies carbon atoms to the said product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

502, for polymerization processes which produce a nonsolid olefin hydrocarbon.

700, for apolymerization process which produces a saturated hydrocarbon product.