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MACFARLAN SMITH LTD

Overview
  • Total Patents
    86
About

MACFARLAN SMITH LTD has a total of 86 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United Kingdom, Australia and Canada. Its main competitors in its focus markets organic fine chemistry, biotechnology and foods and drinks are CHEMELECTIVA S R L, WANG ZHIXUN and BIOFINE INC.

Patent filings per year

Chart showing MACFARLAN SMITH LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grew Edward Leon 10
#2 Mitchell Melville 9
#3 Archer Nicholas 9
#4 Ogden Helen 9
#5 Cairns Stewart 7
#6 Bruce Neil Charles 6
#7 French Christopher Edward 6
#8 Schmidt Ulrich 5
#9 Grew E L 5
#10 Hailes Anne Maria 5

Latest patents

Publication Filing date Title
GB9810408D0 Hydrocarbon liquid formulation
GB9800656D0 Improved purification process
GB9800657D0 Improved purification process
GB9213524D0 Biocatalysis in the synthesis of analgesic and antitussive compounds
GB9103878D0 Compounds and synthesis thereof
KR810001452B1 Process for preparing codeine from dihydrocodeinone
GB1582234A Morphine derivatives
KR800000061B1 Process for the preparation of codeine from dihydrothebaine
IE41101L Dehydrohalogenation of codeinone derivatives
GB1495271A Dehydrohalogenation of codeinone derivatives
US3830819A Manufacture of i-dihydrocodeine
AU3913372A Process for production of dihydrocodeine
KR780000074B1 Reduction of thebaine
IL38268D0 Reduction of thebaine to 8,14-dihydrothebaine
GB1366931A Dihydrocodeine manufacture
GB1291642A PURIFICATION OF p-AMINOPHENOL