Process for producing blood separating agent

Details Process for producing blood separating agent Process for producing blood separating agent

1996-12-11

1998-09-29

Kim, John

Liquid purification or separation

Gravitational separator

Portable invertible, e.g., milk and cream separator

210518, 2523152, 2523155, 2523156, B01J 1300, B01D 1700

Patent

active

058142207

ABSTRACT:
A process for the production of a blood separating agent is disclosed which comprises supplying a mixture solution containing (a) a separation layer forming high molecular weight compound as the main component and (b) a thixotropy-providing agent selected from the group consisting of inorganic fine particles and organic gelling agents into a cylinder block of a homogenizer having the cylinder block equipped with a plunger capable of performing reciprocating movement and a valve body which is connected thereto and equipped with a valve member, a valve sheet and an impact ring, and applying a compressive shearing stress to the mixture in said homogenizer at such a temperature that viscosity of the solution becomes 1.times.10.sup.4 centipoises or less, thereby obtaining a blood separating agent in the form of a dispersion or a uniform gel. A blood separating agent having excellent storage stability can be obtained with improved productivity per unit time.

REFERENCES:
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patent: 4664842 (1987-05-01), Knudson, Jr. et al.
patent: 4770779 (1988-09-01), Ichikawa et al.
patent: 5160454 (1992-11-01), Knudson, Jr. et al.
patent: 5364632 (1994-11-01), Benita et al.
patent: 5449712 (1995-09-01), Gierke et al.

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