1.   After calling the major pharmaceuticals late last year, Attaran learned that drugs are not patented in many African countries.

2.   Moreover, in many countries of Africa besides South Africa, AIDS drugs are not patented.

3.   Platt was trying to patent the drug for SafeScience over the objections of Wayne State.

4.   He said Saturday that it is an emotional issue in developing countries which see multinational companies patenting drugs used for centuries by the people.

v. + drug >>共 389
use 10.78%
take 10.37%
sell 4.55%
develop 3.42%
approve 2.71%
prescribe 2.63%
fight 2.47%
find 2.28%
smuggle 1.79%
buy 1.74%
patent 0.04%
patent + n. >>共 122
gene 6.76%
device 6.76%
system 5.41%
idea 4.73%
process 4.73%
technology 4.73%
invention 4.39%
discovery 3.38%
way 3.38%
product 3.04%
drug 1.35%
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