Inventor · disambiguated record
Christopher David Gabbutt
Also filed as: GABBUTT CHRISTOPHER · GABBUTT CHRISTOPHER D · GABBUTT CHRISTOPHER DAVID
14 granted patents·4 pending applications·201 citations·filing 1993–2023
91Inventor score
Top patents by PatentIndex Score
18 records- 0188US5623005APhotochromic naphthopyran compoundsPILKINGTON PLC·Filed 1994·Granted Apr 22, 1997·49 cites·23 claims
- 0288US5446151APhoto reactive spiro-benzoxazine compoundsPILKINGTON PLC·Filed 1993·Granted Aug 29, 1995·20 cites·18 claims
- 0387US6303673B1Photochromic compoundsJAMES ROBINSON LTD·Filed 1998·Granted Oct 16, 2001·19 cites·23 claims
- 0486US6248264B1Neutral coloring photochromic 2H-naphtho[1,2-b] pyrans and heterocyclic pyransJAMES ROBINSON LTD·Filed 1998·Granted Jun 19, 2001·50 cites·10 claims
- 0582US5520853APhotochromic compoundsPILKINGTON PLC·Filed 1994·Granted May 28, 1996·26 cites·14 claims
- 0674US6294112B1Red coloring hyperchromic 3H-naphtho[2,1-B]pyransJAMES ROBINSON LTD·Filed 1998·Granted Sep 25, 2001·22 cites·20 claims
- 0770US2023399563A1Photochromic compound, photochromic article and eyeglassesHOYA LENS THAILAND LTD·Filed 2023·Application pending·0 cites
- 0869US10563120B2Electrochromic compounds and optical articles containing themESSILOR INT·Filed 2016·Granted Feb 18, 2020·1 cites·15 claims
- 0969US8436184B26-(biphenyl-ester)-3H-naphtho[2,1-b]pyrans as photochromic dichroic dyes and optical article containing themAIKEN STUART·Filed 2007·Granted May 7, 2013·1 cites·27 claims
- 1065US9823534B2Electrochromic single and two-core viologens and optical articles containing themESSILOR INT·Filed 2014·Granted Nov 21, 2017·1 cites·21 claims
- 1164US2022315831A1Photochromic compound, photochromic article and eyeglassesHOYA LENS THAILAND LTD·Filed 2022·Application pending·0 cites
- 1263US8703978B2Photochromic dichroic naphtho-pyrans and optical articles containing themAIKEN STUART·Filed 2009·Granted Apr 22, 2014·4 cites·3 claims
- 1357US6387512B1Grey coloring photochromic fused pyransJAMES ROBINSON LTD·Filed 1999·Granted May 14, 2002·8 cites·15 claims
- 1454US2022325171A1Photochromic compound, photochromic article and eyeglassesHOYA LENS THAILAND LTD·Filed 2022·Application pending·0 cites
- 1552US10730855B2Electrochromic compounds and optical articles containing themESSILOR INT·Filed 2018·Granted Aug 4, 2020·0 cites·13 claims
- 1650US2024052235A1Electrochromic compounds and optical articles containing themESSILOR INT·Filed 2021·Application pending·0 cites
- 1747US10179768B2Electrochromic two-core viologen derivatives and optical articles containing themESSILOR INT·Filed 2014·Granted Jan 15, 2019·0 cites·5 claims
- 1846US9249136B23H-naphtho [2,1-B] pyrans as photochromic dichroic dyes and optical article containing themAIKEN STUART·Filed 2006·Granted Feb 2, 2016·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →