US PATENT SUBCLASS 536 / 26.4
.~.~.~.~.~ Cobalamin nucleotides (e.g., vitamin B-12, etc.)

Current as of: June, 1999
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536 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1.11  DF  .~ Carbohydrates or derivatives {15}
18.7  DF  .~.~ Nitrogen containing {13}
22.1  DF  .~.~.~ N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) {12}
26.1  DF  .~.~.~.~ Phosphorus containing N-glycoside wherein the N is part of an N-hetero ring {9}
26.4.~.~.~.~.~ Cobalamin nucleotides (e.g., vitamin B-12, etc.) {2}
26.41  DF  .~.~.~.~.~.~> Processes of preparing or labelling
26.42  DF  .~.~.~.~.~.~> Processes of concentraction, separation, recovery, or extraction (e.g., recovery from organ extracts, from fermentation broth, from sewage sludge, etc.) {1}

DEFINITION

Classification: 536/26.4

Cobalamin nucleotides (e.g., vitamin B-12, etc.):

(under subclass 26.1) Compounds which are cobalt containing nucleotides.

(1) Note. An example of a compound provided for herein is vitamin B-12. [figure]