Inventor · disambiguated record
Denis Robert Annesley Ridyard
Also filed as: RIDYARD DENIS R A · RIDYARD DENIS ROBERT ANNESLEY
16 granted patents·78 citations·filing 1974–1993
91Inventor score
Top patents by PatentIndex Score
16 records- 0193US3996221ADyestuffsICI LTD·Filed 1975·Granted Dec 7, 1976·29 cites·3 claims
- 0281US4145340AWater-soluble reactive monoazo dye containing a nonylphenoxy, chlorotriazine groupICI LTD·Filed 1977·Granted Mar 20, 1979·10 cites·1 claims
- 0376US4330468AWater soluble monoazo dyes for nylonICI LTD·Filed 1978·Granted May 18, 1982·9 cites·2 claims
- 0475US5019134AReactive dyesICI PLC·Filed 1989·Granted May 28, 1991·12 cites·10 claims
- 0554US4213759AColoration process: mixed dyes for differential-dyeing nylon mixturesICI LTD·Filed 1978·Granted Jul 22, 1980·4 cites·2 claims
- 0649US4060383AMonoazo dyestuffsICI LTD·Filed 1975·Granted Nov 29, 1977·3 cites·1 claims
- 0745US6271355B1Amine pyrazole nickel phthalocyanine dyes for colorationICI PLC·Filed 1993·Granted Aug 7, 2001·3 cites·8 claims
- 0842US4881943ADisperse dyes: nitro-thiophene azo dyes for bright blue shades on polyesterICI PLC·Filed 1988·Granted Nov 21, 1989·2 cites·11 claims
- 0939US5175261AAzopyridone dyesICI PLC·Filed 1991·Granted Dec 29, 1992·2 cites·11 claims
- 1039US4075200A4(2'-Nitro-4'-sulfoanilino) phenyl azo hydroxyphenyl dyesICI LTD·Filed 1975·Granted Feb 21, 1978·1 cites·10 claims
- 1133US3935248AAnthraquinone dyesICI LTD·Filed 1974·Granted Jan 27, 1976·1 cites·2 claims
- 1232US4039528ASulphonic acid-, hydroxy-substituted phenyl azo-naphthyl azo-N-aryl amino dyesICI LTD·Filed 1975·Granted Aug 2, 1977·0 cites·1 claims
- 1330US5171852ATriphenodioxazine reactive dyes having sulphonate ester groupsICI PLC·Filed 1990·Granted Dec 15, 1992·1 cites·16 claims
- 1429US3993440AColoration with azo carboxy pyrazoloneICI LTD·Filed 1974·Granted Nov 23, 1976·1 cites·1 claims
- 1526US4067865AWater-soluble diazotized amino azo dyestuff coupled with an amino-phenyl or -naphthyl componentICI LTD·Filed 1976·Granted Jan 10, 1978·0 cites·24 claims
- 1622US4083858AAnthraquinone dyesICI LTD·Filed 1975·Granted Apr 11, 1978·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →