US PATENT SUBCLASS 536 / 25.41
.~.~.~.~.~ Extraction processes (e.g., solvent extraction process, 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}
25.4  DF  .~.~.~.~ Separation or purification of polynucleotides or oligonucleotides {1}
25.41.~.~.~.~.~ Extraction processes (e.g., solvent extraction process, etc.) {1}
25.42  DF  .~.~.~.~.~.~> Denaturant utilized

DEFINITION

Classification: 536/25.41

Extraction processes (e.g., solvent extraction process, etc.):

(under subclass 25.4) Processes for the purification or separation of polynucleotides or oligonucleotides which include extraction steps, e.g., solvent extraction processes, etc.