US PATENT SUBCLASS 424 / 9.452
.~.~.~.~ Three or more amide groups are attached directly to the same benzene ring by nonionic bonding

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

9.1  DF  IN VIVO DIAGNOSIS OR IN VIVO TESTING {7}
9.4  DF  .~ X-ray contrast imaging agent (e.g., computed tomography, angiography, etc.) {5}
9.45  DF  .~.~ Halogenated benzene ring containing {3}
9.451  DF  .~.~.~ Two or more halogenated benzene rings in the same compound {2}
9.452.~.~.~.~ Three or more amide groups are attached directly to the same benzene ring by nonionic bonding

DEFINITION

Classification: 424/9.452

Three or more amide groups are attached directly to the same benzene ring by nonionic bonding:

(under subclass 9.451) Subject matter wherein at least three amide groups are directly attached to the same benzene ring by nonionic bonding.

(2) Note. An example of a compound provided for herein is: [figure]