Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-07-25
2006-07-25
Seidleok, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S054110, C424S192100, C424S193100, C424S280100, C514S002600, C514S015800, C530S300000, C530S332000
Reexamination Certificate
active
07081495
ABSTRACT:
Dendrimers comprising a dentritic polypeptide with one dendron having terminal cationic groups and a lipidic anchor, preferably comprising C6-24-alkyl group containing α-amino acyl groups, preferably joined to the focal group, are used to assist transfection of cells in vitro and in vivo by DNA. The complex of dendrimer and DNA may be used in gene therapy, for instance to delivery clotting factor genes to cells.
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T. Sakthivel, et al., “Synthesis and Physiochemical Properties of Lipophilic Polyamide Dendrimers”,Chemical Abstracts, vol. 129, No. 6, Aug. 10, 1998, Abstract No. 68022.
A.V. Kabanov, et al., “DNA Complexes With Polycations For the Delivery of Genetic Material Into Cells”,Bioconjugate Chemistry, vol. 6, No. 1, Jan. 1, 1995, pp. 7-20.
Bayele Henry K
Florence Alexander T
Sakthivel Thiagarajan
Toth Istvan
Wilderspin Andrew F
Asinovsky Olga
Dickstein Shapiro Morin & Oshinsky LLP.
School of Pharmacy, University of London
Seidleok James J.
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