Assignee
ACNA
IT·17 granted patents·83 citations·filing 1973–1980
Top patents by PatentIndex Score
17 records- 0181US4011209AOrganic solvent-soluble azo dyesACNA·Filed 1973·Granted Mar 8, 1977·12 cites·6 claims
- 0277US4306875ASalts of basic dyes, preparation and uses of sameACNA·Filed 1980·Granted Dec 22, 1981·17 cites·13 claims
- 0370US4269769ADiazo compounds obtained by coupling acetoacetanilides with tetrazotized diaminobenzanilidesACNA·Filed 1979·Granted May 26, 1981·7 cites·2 claims
- 0468US4248776ASymmetrical trisazo dye obtained by coupling tetrazotized 4-4'-diaminozobenzene with 2-carboxymethylamin0-8-naphthol-6-sulphonic acidACNA·Filed 1979·Granted Feb 3, 1981·7 cites·1 claims
- 0562US4242093ADouble-face dyeing and printing of polyester fabrics with disperse dyesACNA·Filed 1979·Granted Dec 30, 1980·10 cites·2 claims
- 0654US4193763ADyeing and printing of water-swellable cellulose material and blends thereof with synthetic fibres, by means of disazo dyes derived from amino-pyrazoleACNA·Filed 1978·Granted Mar 18, 1980·4 cites·4 claims
- 0747US4335246ASubstituted arylamine intermediates for dyesACNA·Filed 1979·Granted Jun 15, 1982·2 cites·11 claims
- 0845US4268436AProcess for preparing diazonium salts of 3-amino-pyrazoleACNA·Filed 1979·Granted May 19, 1981·2 cites·5 claims
- 0944US4257942ANew water-insoluble azo dyesACNA·Filed 1978·Granted Mar 24, 1981·3 cites·65 claims
- 1043US4303407AConcentrated coloring solutions of a blue tinge based on mixture of 1.4-dialkyl-anthraquinones for the coloring of petroliferous productsACNA·Filed 1980·Granted Dec 1, 1981·10 cites·5 claims
- 1142US4077765AMonoazo-dyes particularly suited to the levelled dyeing of synthetic polyamide fibersACNA·Filed 1976·Granted Mar 7, 1978·3 cites·3 claims
- 1241US4052380ATrisazo dyes containing two different aminonaphtholsulphonic acid coupler componentsACNA·Filed 1975·Granted Oct 4, 1977·4 cites·3 claims
- 1337US4153599AMonoazo-dyes particularly suited to the levelled dyeing of synthetic polyamide fibersACNA·Filed 1977·Granted May 8, 1979·2 cites·1 claims
- 1428US4052375AWater-soluble trisazosulfonated dyestuff derived from 2-aminophenol-4-sulfonic acid, resorcinol, 4,4'-diaminobenzanilide and m-aminophenolACNA·Filed 1976·Granted Oct 4, 1977·0 cites·1 claims
- 1527US3983101AWater-soluble polyazo compound derived from 4-4-diaminobenzanilideACNA·Filed 1975·Granted Sep 28, 1976·0 cites·1 claims
- 1626US4011227AO-(3-hydroxy-1-isoquinolinyl)-benzoic acidACNA·Filed 1976·Granted Mar 8, 1977·0 cites·1 claims
- 1723US4011224AProcess for the preparation of 7-oxo-7H-dibenzo-[d e,h]-quinolin-2-olACNA·Filed 1974·Granted Mar 8, 1977·0 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →