Did someone post link to a patent site here?

[FloydV]

Patent number 3,141,823.



<!--EDIT|FAVahalik
Reason for Edit: None given...|1138390049 -->

 

[grabntwist]

Huh?

 

[TheWheelman]

 

[FloydV]

Disreguard. An attempt at humor to the one who posted the link.

 

[TheWheelman]

right........

 

[DAB]

P.A.J. Jansen and J.F. Gardocki US Patent N 3141823 publ. 21.07.64 “Method for producing analgesiaâ€￾. C.A 1964, v. 61, N 9, 10689

Fentanyl?



<!--EDIT|DAB
Reason for Edit: None given...|1138392555 -->

 

[FloydV]

P.A.J. Jansen and J.F. Gardocki US Patent N 3141823 publ. 21.07.64 “Method for producing analgesiaâ€￾. C.A 1964, v. 61, N 9, 10689

Fentanyl?

You win the prize! Look at paragraph 45 (on page 3 of 4) plus about 1 or two paragraphs down. Don't let the paragraphs about admixures throw you off. When you get to that part, you have read past the how to part.



<!--EDIT|FAVahalik
Reason for Edit: None given...|1138410053 -->