Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2008-01-22
2008-01-22
Jiang, Shaojia Anna (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S021000, C536S053000, C201S045000
Reexamination Certificate
active
07321034
ABSTRACT:
The invention relates to a process for the depolymerization of glycosaminoglycanes characterized by the use of electron beam radiation, optionally in the presence of an organic compound selected from the group consisting of ethers, alcohols, aldehydes, amides and formic acid. The invention also relates to the intermediate depolymerized heparin obtained by the process. The intermediate depolymerized heparin can be dissolved in a buffer solution and fractionated by gel permeation for obtaining the desired molecular weight.
REFERENCES:
patent: 4987222 (1991-01-01), De Ambrosi et al.
patent: 0 394 971 (1990-10-01), None
patent: 2000-0036332 (2000-07-01), None
patent: 20000036332 (2000-07-01), None
patent: WO 90/04607 (1990-05-01), None
De Ambrosi Luigi
Gonella Sergio
Iannaccone Nicola
Nesti Solitario
Torri Giangiaocomo
Jiang Shaojia Anna
Krishnan Ganapathy
Laboratori Derivati Organici S.p.A.
O'Brien David G.
Yankwich Leon R.
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