Q: Hi, Grant here. Thank you for your time. I am asking if Permethrin or N-MethylPyrrolidone are still under patent.

2 Lawyer Answers
Kevin E. Flynn
Kevin E. Flynn
PREMIUM
Answered
  • Patents Lawyer
  • Chapel Hill, NC

A: I do not know. But I do know that entrepreneurs can do their own searching using Google Patents, and other tools hosted by patent systems. I teach entrepreneurs how to use these tools effectively using these slides http://bit.ly/Patent_Searching . I hope this helps.

Kevin E Flynn

Peter D. Mlynek
Peter D. Mlynek
Answered
  • Patents Lawyer
  • Moorestown, NJ

A: Hi Grant! Permethrin has been around since the 1970s, so it is no longer patented. NMP is a very simple compound that is listed in my CRC from the early 1980s, but it may be 100 years old, so it too is not patented.

However, some uses of these compounds, or articles that use these compounds, or the method of manufacturing these compounds, may be patented.

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