US PATENT SUBCLASS 536 / 25.6
.~.~.~.~ Nucleic acids which include two or three nucleotide units

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}
25.6.~.~.~.~ Nucleic acids which include two or three nucleotide units

DEFINITION

Classification: 536/25.6

Nucleic acids which include two or three nucleotide units:

(under subclass 22.1) Compounds which include two or three nucleotide units linked by phosphodiester linkages.

(1) Note. Each unit has to be a nucleotide unit, i.e., a

phosphoesterified nucleoside.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26.5, for plural N-glycosides bonded to the same phosphorus ester group wherein the N is part of a nitrogen containing hetero ring.