betaine in LA PCR

Dr. Duncan Clark duncan at genesys.demon.co.uk
Mon Apr 21 03:24:32 EST 1997


In article <5je8lr$98k21 at ncisun1-nf0.ncifcrf.gov>, Paul N Hengen
<pnh at ncifcrf.gov> writes
>Note the last two lines in the acknowlegements!
>
>Wholly Smokin' Rip-Off!!

It's maybe not that bad in that it only covers inclusion of betaine in
the PCR buffer itself. If it is pacakged separately in it's own vial
then I take the view that is OK to sell it with a PCR enzyme and the PCR
buffer. Put it in the PCR buffer and you infringe. 

I would say that this kind of patent or patent app. is becoming more and
more common.

Duncan

-- 
The problem with being on the cutting edge is that you occasionally get 
sliced from time to time....

Duncan Clark
DNAmp Ltd.
TEl/FAX 01252376288
http://www.dnamp.com
http://www.genesys.demon.co.uk



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