Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Patent
1988-12-09
1991-09-03
Griffin, Ronald W.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
435 71, 435 75, 530810, 530813, 530814, 436529, 436530, 354297, 536124, C08B 110, C08B 112, C08B 1506
Patent
active
050455354
ABSTRACT:
The present invention provides a process for the production of a polysaccharide matrix to which haptens are covalently bound, wherein polysaccharide-containing material is rendered alkaline, dried to a water content of less than 5% and then reacted in an anhydrous medium with a hapten containing at least one activated functional group.
The present invention also provides a device for carrying out this process, which comprises a winding core (3) in a container (1) for a reaction solution which has a tube (11), provided on its wall with a plurality of openings (7) and closed on one end (9), for the reception of a winding (13) of the material to be treated and two axial end walls (15, 17) for sealing off the axial ends of the winding (13) and feeds the reaction solution from the container (1) into the other end (21) of the tube (11) by means of a circulating pump cycle (19).
REFERENCES:
patent: 2609368 (1952-09-01), Gaver
patent: 3819610 (1974-06-01), Akin
patent: 4894229 (1990-01-01), Polson et al.
Patent Abstracts of Japan (Dec. 2, 1987), vol. 11, No. 369, p. 134, Appl. No. 62-142122.
Boehringer Mannheim GmbH
Griffin Ronald W.
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