US PATENT SUBCLASS 435 / 457
.~.~.~ Helper virus is present

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

440  DF  PROCESS OF MUTATION, CELL FUSION, OR GENETIC MODIFICATION {6}
455  DF  .~ Introduction of a polynucleotide molecule into or rearrangement of nucleic acid within an animal cell {11}
456  DF  .~.~ The polynucleotide is encapsidated within a virus or viral coat {1}
457.~.~.~ Helper virus is present

DEFINITION

Classification: 435/457

Helper virus is present:

(under subclass 456) Processes wherein a helper virus is present.

(1) Note. A helper virus is a virus which permits another nucleic acid molecule present in the same cell as said helper virus to be replicated and assembled as a virus or virus-like particle.

(2) Note. The nucleic acid molecule which is replicated and assembled as a virus or virus-like particle by functions

encoded by the helper virus may itself be viral or non-viral.