US PATENT SUBCLASS 987 / 29
.~.~ Contains aryl group (9/74; 9/74B; 9/74C; 9/76; 9/78)

Current as of: June, 1999
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987 /   HD   ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM

26  DF  ARSENIC COMPOUNDS (9/70C) {1}
27  DF  .~ Arsenic compounds devoid of any arsenic as ring atom in a ring system (9/66; 9/68; 9/70; 9/70B; 9/72; 9/72B; 9/72C) {2}
29.~.~ Contains aryl group (9/74; 9/74B; 9/74C; 9/76; 9/78)

DEFINITION

Classification: 987/29

Contains aryl group (9/74; 9/74B; 9/74C; 9/76; 9/78):

(under subclass 27) Subject matter wherein the arsenic compound contains an aryl group.