Blood separation composition

Details Blood separation composition Blood separation composition

1993-07-21

1994-10-11

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

524233, 524240, 5254205, 5282953, 5282955, 528296, 528300, 528302, C08G 6316

Patent

active

053548388

ABSTRACT:
A blood separation composition for use in blood collection tubes. The composition comprises, as a gel-like material that is the main ingredient or the composition, a copolymer of sebacic acid with 2,2-dimethyl-1,3-propanediol and 1,2-propanediol. The separation composition may further comprise a thixotropic agent blended with the copolymer. The copolymer renders the blood separation composition stable and less flowable during storage, allowing it to form a stable partition barrier in each collection tube when centrifuged. The blood cells above the barrier are prevented from remaining within the serum, without any amount of harmful oily substances being released from the separation composition.

REFERENCES:
patent: 4101422 (1978-07-01), Lamont et al.
patent: 4148764 (1979-04-01), Lamont et al.
patent: 4462926 (1984-02-01), Prater et al.
patent: 5124434 (1992-06-01), O'Brien

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