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JAMES ROBINSON LTD

Overview
  • Total Patents
    37
About

JAMES ROBINSON LTD has a total of 37 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United Kingdom, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, optics and basic materials chemistry are ATTO TEC GMBH, INSTITUTE OF MONOCRYSTALS OF SCIENTIFIC TECH CONCERN INSTITUTE OF MONOCRYSTALS OF THE NAS OF UKRAINE and SHANGHAI ANOKY TEXTILE CHEMICALS CO LTD.

Patent filings per year

Chart showing JAMES ROBINSON LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Partington Steven Michael 23
#2 Gabbutt Christopher David 20
#3 Corns Stephen Nigel 20
#4 Hepworth John David 20
#5 Heron Bernard Mark 20
#6 Clarke David Allan 16
#7 Clarke David A 8
#8 Michael Partington Steven 1
#9 Partington Steven Michael Wood 1
#10 Partington Steven M 1

Latest patents

Publication Filing date Title
GB0815109D0 Polydialkylsiloxane-bridged bi-photochromic molecules
GB0522010D0 Photochromic substrate
GB9918951D0 Rapid fading photo-responsive materials
GB9827596D0 Photochromic 2H-naphtho[1,2-b]pyrans
GB9821121D0 Grey colouring photochromic fused pyrans
GB9922330D0 Neutral colouring photochromic 2H-naphtho[1,2-b]pyrans
GB9726361D0 Photochromic dyes
GB9722127D0 Photochromic compounds
GB9706939D0 Red colouring hyperchromic 3H-naptho[2,1-6]pyrans
GB9706202D0 Neutral colouring photochromic 2H-naphthol[1,2-b]pyrans and heterocyclic pyrans
GB9706203D0 Intense colouring photochromic 2H-naphthol[1,2-b]pyrans and heterocyclic pyrans
GB9621894D0 Photochromic compounds and their use
GB8913933D0 Azophenyl compounds