US PATENT SUBCLASS 208 / 114
.~.~.~ Phosphorus, boron or nitrogen containing catalyst

Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

46  DF  CHEMICAL CONVERSION OF HYDROCARBONS {11}
106  DF  .~ Cracking {5}
113  DF  .~.~ Catalytic {4}
114.~.~.~ Phosphorus, boron or nitrogen containing catalyst

DEFINITION

Classification: 208/114

(under subclass 113) Processes wherein the catalyst contains phosphorus, boron, nitrogen either as a free element or as a compound thereof.