Controlled molecular weight reduction of polymers

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

127 67, 127 69, 127 71, C07G 1700

Patent

active

054912270

ABSTRACT:
A method for the controlled molecular weight reduction of a polymer which comprises subjecting the polymer to pressure homogenization is disclosed. The preferred polymers are polysaccharides, particularly hyaluronic acid.

REFERENCES:
patent: 4736024 (1988-04-01), della Valle et al.
patent: 5011701 (1991-04-01), Baer et al.
patent: 5087471 (1992-02-01), Combes et al.
patent: 5123962 (1992-06-01), Komuro et al.
patent: 5273772 (1993-12-01), Cooper
Hamai, A. et al. (1989) "Purification and Characterization of Hyaluronidase From Streptococcus dysgalactiae", Agric. Biol. Chem., 53(8):2163-2168.
Armand, G. et al. (1983) "A New Chromatographic Method for the Fractionation of Hyaluronic Acid", Biochem. & Biophys. Res. Comm., 112(1):168-175.
Van Brunt, J. (1986) "More to Hyaluronic Acid Than Meets the Eye" Bio/Tech, 4(9):780-782.
Keshavarz, E. et al. (1987) in Separations for Biotechnology (Verrill and Hudson eds.), Ellis Howard Ltd., Chichester, U.K., Chapter 3, 62-79.
Harris, M. J. et al. (1972) "Metal Calysis in the Depolymerization of Hyaluronic Acid", J. Amer. Chem. Soc., 94(21):7570-7572.
Phipps, L. W. (1976) "Action of the High Pressure Homogenization" N.I.R.D., Paper No. 4426: 61-82.
Klein, J. et al. (1983) "Tissue Structure and Macro-Molecular Diffussion in Umbilical Cord Immobilization of Endogenous Hyaluronic Acid", Biochem. et Biophys. Acta., 755:400-411.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Controlled molecular weight reduction of polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Controlled molecular weight reduction of polymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Controlled molecular weight reduction of polymers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-241536

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.