Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...
Reexamination Certificate
2011-04-19
2011-04-19
Cheu, Jacob (Department: 1641)
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving antigen-antibody binding, specific binding protein...
C435S007200, C435S007910
Reexamination Certificate
active
07927815
ABSTRACT:
A method for removing contaminant DNA in a sample containing a physiologically active protein, which comprises the following steps:1) converting the sample containing a physiologically active protein into a neutral aqueous solution of low conductivity; and2) removing the resulting particles.
REFERENCES:
patent: 5777085 (1998-07-01), Co et al.
patent: 5808033 (1998-09-01), Gourlie et al.
patent: 6406909 (2002-06-01), Shibuya et al.
patent: 6903194 (2005-06-01), Sato et al.
patent: 0 089 218 (1983-09-01), None
patent: 0 168 506 (1986-01-01), None
patent: 0 537 148 (1993-04-01), None
patent: 0893450 (1999-01-01), None
patent: 0 962 467 (1999-08-01), None
patent: 997152 (2000-05-01), None
patent: 1 020 522 (2000-07-01), None
patent: 11-092399 (1999-04-01), None
patent: 11-98997 (1999-04-01), None
patent: WO 91/18919 (1991-12-01), None
patent: WO 92/07084 (1992-04-01), None
patent: 95/22389 (1995-08-01), None
patent: WO 9522389 (1995-08-01), None
Oxenburgh et al. Nature 1965 vol. 207, p. 1416-1417.
Robert Lydersen et al., Acid precipitation of mammalian cell fermentation broth, journal, Nov. 30, 1994, 10 pp., vol. 745 XP009033271, Annals of the New York Academy of Sciences, United States.
Hirofumi Shinkura et al. Safety and Kinetic properties of a humanized antibody to human interleukin-6 receptor in healthy non-human primates, abstract, Oct. 19, 1997, 8 pp., 163-170 XP001069948, Toxicology.
Communication pursuant to Rule 114(2) EPC dated Apr. 16, 2008.
Ochi Norimichi
Takeda Kozo
Browdy and Neimark PLLC
Cheu Jacob
Chugai Seiyaku Kabushiki Kaisha
LandOfFree
Protein purification method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Protein purification method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protein purification method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2711090