This Day in Patent History – On December 28, 1976, Patent # 4,000,000 was issued in to Robert Mendenhall for a process for recycling asphalt…
Tag: compositions
This Day in Patent History - On December 20, 1960, Wilson Eugene R (Procter & Gamble) received a patent for detergent compositions.
On December 20, 1960, Wilson Eugene R (Procter & Gamble) received a patent for detergent compositions. The compositions contain additives which impart to these detergent…