Assignee
SYVA CO
89 granted patents·15,791 citations·filing 1973–1992
Top patents by PatentIndex Score
89 records- 0199US4435504AImmunochromatographic assay with support having bound "MIP" and second enzymeSYVA CO·Filed 1982·Granted Mar 6, 1984·334 cites·12 claims
- 0299US4391904ATest strip kits in immunoassays and compositions thereinSYVA CO·Filed 1981·Granted Jul 5, 1983·514 cites·9 claims
- 0399US4351760ANovel alkyl substituted fluorescent compounds and polyamino acid conjugatesSYVA CO·Filed 1979·Granted Sep 28, 1982·233 cites·7 claims
- 0499US4318846ANovel ether substituted fluorescein polyamino acid compounds as fluorescers and quenchersSYVA CO·Filed 1979·Granted Mar 9, 1982·330 cites·22 claims
- 0599US4299916APreferential signal production on a surface in immunoassaysSYVA CO·Filed 1979·Granted Nov 10, 1981·318 cites·43 claims
- 0699US4277437AKit for carrying out chemically induced fluorescence immunoassaySYVA CO·Filed 1979·Granted Jul 7, 1981·1.3k cites·4 claims
- 0799US4233402AReagents and method employing channelingSYVA CO·Filed 1978·Granted Nov 11, 1980·450 cites·44 claims
- 0898US4281061ADouble antibody for enhanced sensitivity in immunoassaySYVA CO·Filed 1979·Granted Jul 28, 1981·413 cites·17 claims
- 0998US4275149AMacromolecular environment control in specific receptor assaysSYVA CO·Filed 1978·Granted Jun 23, 1981·2.2k cites·46 claims
- 1098US4261968AFluorescence quenching with immunological pairs in immunoassaysSYVA CO·Filed 1979·Granted Apr 14, 1981·209 cites·4 claims
- 1198US4256834AFluorescent scavenger particle immunoassaySYVA CO·Filed 1979·Granted Mar 17, 1981·188 cites·23 claims
- 1298US4040907AIodothyronine enzyme conjugatesSYVA CO·Filed 1975·Granted Aug 9, 1977·130 cites·16 claims
- 1398US3996345AFluorescence quenching with immunological pairs in immunoassaysSYVA CO·Filed 1975·Granted Dec 7, 1976·3k cites·38 claims
- 1498US3935074AAntibody steric hindrance immunoassay with two antibodiesSYVA CO·Filed 1973·Granted Jan 27, 1976·1.3k cites·24 claims
- 1597US4366241AConcentrating zone method in heterogeneous immunoassaysSYVA CO·Filed 1980·Granted Dec 28, 1982·2.1k cites·34 claims
- 1697US4318707AMacromolecular fluorescent quencher particle in specific receptor assaysSYVA CO·Filed 1980·Granted Mar 9, 1982·145 cites·8 claims
- 1796US4329461AFluorescent thyroid hormone conjugates and their usesSYVA CO·Filed 1980·Granted May 11, 1982·35 cites·9 claims
- 1896US3998943ADouble receptor fluorescent immunoassaySYVA CO·Filed 1973·Granted Dec 21, 1976·91 cites·17 claims
- 1995US4439356AUnsymmetrical fluorescein derivativesSYVA CO·Filed 1981·Granted Mar 27, 1984·150 cites·22 claims
- 2095US4374925AMacromolecular environment control in specific receptor assaysSYVA CO·Filed 1981·Granted Feb 22, 1983·113 cites·4 claims
- 2195US4272506APurification of reagents by disulfide immobilizationSYVA CO·Filed 1979·Granted Jun 9, 1981·90 cites·10 claims
- 2295US4025501APolypeptide propoxyphene derivatives for immunoassay reagentsSYVA CO·Filed 1975·Granted May 24, 1977·103 cites·8 claims
- 2395US3966744ASpin labeled compoundsSYVA CO·Filed 1974·Granted Jun 29, 1976·45 cites·4 claims
- 2494US4540659ASimultaneous calibration heterogeneous immunoassaySYVA CO·Filed 1982·Granted Sep 10, 1985·85 cites·4 claims
- 2594US4160645ACatalyst mediated competitive protein binding assaySYVA CO·Filed 1977·Granted Jul 10, 1979·76 cites·27 claims
- 2693US4849338ASimultaneous calibration heterogeneous immunoassaySYVA CO·Filed 1985·Granted Jul 18, 1989·105 cites·18 claims
- 2793US4067774ACompounds for enzyme amplification assaySYVA CO·Filed 1976·Granted Jan 10, 1978·71 cites·8 claims
- 2892US4843000ASimultaneous calibration heterogeneous immunoassaySYVA CO·Filed 1985·Granted Jun 27, 1989·97 cites·8 claims
- 2992US4533629ASimultaneous calibration heterogeneous immunoassaySYVA CO·Filed 1982·Granted Aug 6, 1985·75 cites·4 claims
- 3091US4281065APhencyclidine conjugates to antigenic proteins and enzymesSYVA CO·Filed 1979·Granted Jul 28, 1981·22 cites·10 claims
- 3191US4160016AReceptor fluorescent immunoassaySYVA CO·Filed 1977·Granted Jul 3, 1979·54 cites·7 claims
- 3290US4481136AAlkyl substituted fluorescent compounds and conjugatesSYVA CO·Filed 1982·Granted Nov 6, 1984·59 cites·14 claims
- 3390US4255329ADouble receptor fluorescent immunoassaySYVA CO·Filed 1979·Granted Mar 10, 1981·51 cites·7 claims
- 3490US4223013AAmitriptyline conjugates to antigenic proteins and enzymesSYVA CO·Filed 1978·Granted Sep 16, 1980·38 cites·14 claims
- 3590US4043989AOxazepam derivatives for immunoassay reagentsSYVA CO·Filed 1975·Granted Aug 23, 1977·78 cites·6 claims
- 3690US4039385ACardiac glycoside enzyme conjugatesSYVA CO·Filed 1976·Granted Aug 2, 1977·26 cites·13 claims
- 3789US4045420ANon-oxo-carbonyl containing benzoyl ecgonine and cocaine compounds polypeptide and derivatives thereofSYVA CO·Filed 1973·Granted Aug 30, 1977·58 cites·6 claims
- 3888US3966764ALigand determination of spin labeled compounds by receptor displacement-amphetamine analogsSYVA CO·Filed 1974·Granted Jun 29, 1976·43 cites·6 claims
- 3988US3966556ACompounds for enzyme amplification assay methadone analogsSYVA CO·Filed 1974·Granted Jun 29, 1976·48 cites·9 claims
- 4087US4444880APeriodate removal of ascorbate interference in dipsticks for immunoassaysSYVA CO·Filed 1982·Granted Apr 24, 1984·61 cites·11 claims
- 4187US4123431ANon-oxo-carbonyl containing benzoyl ecgonine and cocaine compounds and derivatives thereofSYVA CO·Filed 1977·Granted Oct 31, 1978·48 cites·16 claims
- 4286US4282325AEnzyme bound corticosteroidsSYVA CO·Filed 1979·Granted Aug 4, 1981·38 cites·5 claims
- 4384US4663278AAgglutination dependent enzyme channeling immunoassaySYVA CO·Filed 1984·Granted May 5, 1987·45 cites·10 claims
- 4483US4230805ATheophylline antigens and antibodiesSYVA CO·Filed 1979·Granted Oct 28, 1980·11 cites·18 claims
- 4582US4069105ALidocaine antigens and antibodiesSYVA CO·Filed 1977·Granted Jan 17, 1978·35 cites·24 claims
- 4682US3975237ACompounds for enzyme amplification assay - - ecgonine analogsSYVA CO·Filed 1974·Granted Aug 17, 1976·29 cites·10 claims
- 4781US4130462AReceptor steric hindrance immunoassay for receptor determinationSYVA CO·Filed 1976·Granted Dec 19, 1978·37 cites·13 claims
- 4881US4065354ALysozyme conjugates for enzyme immunoassaysSYVA CO·Filed 1975·Granted Dec 27, 1977·33 cites·12 claims
- 4981US4046636ADiazepam enzyme conjugatesSYVA CO·Filed 1976·Granted Sep 6, 1977·29 cites·16 claims
- 5080US5156953ASimultaneous calibration heterogeneous immunoassaySYVA CO·Filed 1989·Granted Oct 20, 1992·44 cites·23 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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