US PATENT SUBCLASS 585 / *
SPECIAL CHEMICAL CONSIDERATIONS


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

*SPECIAL CHEMICAL CONSIDERATIONS {9}
930  DF  .~> Process including synthesis of nonhydrocarbon intermediate {5}
940  DF  .~> Opening of hydrocarbon ring
941  DF  .~> Isotope exchange process
942  DF  .~> Production of carbonium ion or hydrocarbon free-radical
943  DF  .~> Synthesis from methane or inorganic carbon source, e.g., coal, etc.
944  DF  .~> Radiation-resistant composition
945  DF  .~> Product is drying oil
946  DF  .~> Product is waxy polymer
947  DF  .~> Terpene manufacture or recovery