Assignee
HOECHST CO AMERICAN
235 granted patents·4,683 citations·filing 1973–1986
Top patents by PatentIndex Score
235 records- 0198US4198417APhenoxyphenylpiperidinesHOECHST CO AMERICAN·Filed 1979·Granted Apr 15, 1980·85 cites·74 claims
- 0297US4659774ASupport for solid-phase oligonucleotide synthesisHOECHST CO AMERICAN·Filed 1985·Granted Apr 21, 1987·220 cites·22 claims
- 0397US4241071AAntidepressant (α-phenyl-2-tolyl)azacycloalkanesHOECHST CO AMERICAN·Filed 1979·Granted Dec 23, 1980·67 cites·24 claims
- 0497US4166119AAnalgesic and tranquilizing spiro[dihydrobenzofuran]piperidines and pyrrolidinesHOECHST CO AMERICAN·Filed 1978·Granted Aug 28, 1979·48 cites·23 claims
- 0597US3962259A1,3-Dihydrospiro[isobenzofuran]s and derivatives thereofHOECHST CO AMERICAN·Filed 1973·Granted Jun 8, 1976·62 cites·6 claims
- 0696US4383897AElectrochemically treated metal platesHOECHST CO AMERICAN·Filed 1982·Granted May 17, 1983·60 cites·14 claims
- 0796US4186199AIndolo-,1,2-dihydroindolo-, and 1,2,6,7-tetrahydroindolo [1,7-ab][1,5] benzodiazepinesHOECHST CO AMERICAN·Filed 1978·Granted Jan 29, 1980·47 cites·27 claims
- 0895US4081577APulsed spray of fluidsHOECHST CO AMERICAN·Filed 1975·Granted Mar 28, 1978·76 cites·13 claims
- 0994US4493872APolyester film coated with metal adhesion promoting copolyesterHOECHST CO AMERICAN·Filed 1983·Granted Jan 15, 1985·126 cites·26 claims
- 1094US4399021ANovel electrolytes for electrochemically treated metal platesHOECHST CO AMERICAN·Filed 1982·Granted Aug 16, 1983·40 cites·39 claims
- 1194US4310600APolyester film having abrasion resistant radiation curable silicone coatingHOECHST CO AMERICAN·Filed 1980·Granted Jan 12, 1982·77 cites·19 claims
- 1294US4214035AAntistatic coated polyester filmHOECHST CO AMERICAN·Filed 1979·Granted Jul 22, 1980·65 cites·20 claims
- 1393US4659523AProduction of iodine stainable polyester polarizer filmHOECHST CO AMERICAN·Filed 1984·Granted Apr 21, 1987·106 cites·16 claims
- 1493US4502925AProcess for aluminum surface preparationHOECHST CO AMERICAN·Filed 1984·Granted Mar 5, 1985·39 cites·21 claims
- 1593US4448647AElectrochemically treated metal platesHOECHST CO AMERICAN·Filed 1982·Granted May 15, 1984·44 cites·58 claims
- 1693US4031221AMethod of treating pain and hypertensionHOECHST CO AMERICAN·Filed 1975·Granted Jun 21, 1977·26 cites·36 claims
- 1792US4571363APolyester film primed with crosslinked acrylic polymersHOECHST CO AMERICAN·Filed 1983·Granted Feb 18, 1986·83 cites·23 claims
- 1892US4550069APositive photoresist compositions with o-quinone diazide, novolak, and propylene glycol alkyl ether acetateHOECHST CO AMERICAN·Filed 1984·Granted Oct 29, 1985·61 cites·11 claims
- 1992US4476189ACopolyester primed polyester filmHOECHST CO AMERICAN·Filed 1983·Granted Oct 9, 1984·69 cites·14 claims
- 2091US4198419APhenylthiophenylpiperidinesHOECHST CO AMERICAN·Filed 1979·Granted Apr 15, 1980·24 cites·73 claims
- 2191US3997557ASubstituted N-aminoalkylpyrrolesHOECHST CO AMERICAN·Filed 1974·Granted Dec 14, 1976·20 cites·14 claims
- 2291US3985889AMethod of tranquilizing and treating painHOECHST CO AMERICAN·Filed 1975·Granted Oct 12, 1976·22 cites·10 claims
- 2390US4585788A6,11-dihydrodibenz[b,e]oxepin-acetic acids and derivativesHOECHST CO AMERICAN·Filed 1974·Granted Apr 29, 1986·23 cites·21 claims
- 2490US4585687ACopolyester primed polyester filmHOECHST CO AMERICAN·Filed 1984·Granted Apr 29, 1986·52 cites·1 claims
- 2590US4209625ASpiro[indoline-3,4'-piperidine]sHOECHST CO AMERICAN·Filed 1978·Granted Jun 24, 1980·18 cites·29 claims
- 2690US4192874ASubstituted 1,2,6,7-tetrahydroindolo[1,7-ab][1,5]benzodiazepinesHOECHST CO AMERICAN·Filed 1978·Granted Mar 11, 1980·19 cites·31 claims
- 2790US3939159ASpiro(pyrrolo (1,2-A)quinoxalines)HOECHST CO AMERICAN·Filed 1974·Granted Feb 17, 1976·22 cites·8 claims
- 2889US4374920APositive developer containing non-ionic surfactantsHOECHST CO AMERICAN·Filed 1981·Granted Feb 22, 1983·48 cites·8 claims
- 2989US4025640AOxothienobenzoxepin-acetic acids, precursors and derivatives thereofHOECHST CO AMERICAN·Filed 1975·Granted May 24, 1977·12 cites·15 claims
- 3088US4271281AProcess for preparing styrenic polymer particlesHOECHST CO AMERICAN·Filed 1980·Granted Jun 2, 1981·59 cites·15 claims
- 3188US4245991ADip dyeing of plastic articles and the dye bath composition thereofHOECHST CO AMERICAN·Filed 1979·Granted Jan 20, 1981·18 cites·15 claims
- 3288US3959475ASubstituted 1,3-dihydrospiro(isobenzofuran)sHOECHST CO AMERICAN·Filed 1974·Granted May 25, 1976·61 cites·48 claims
- 3387US4863827APostive working multi-level photoresistHOECHST CO AMERICAN·Filed 1986·Granted Sep 5, 1989·75 cites·16 claims
- 3487US4642263AAntistat coated filmsHOECHST CO AMERICAN·Filed 1984·Granted Feb 10, 1987·38 cites·17 claims
- 3587US4452674AElectrolytes for electrochemically treated metal platesHOECHST CO AMERICAN·Filed 1982·Granted Jun 5, 1984·43 cites·59 claims
- 3687US4304836ASurlay proofing methodHOECHST CO AMERICAN·Filed 1977·Granted Dec 8, 1981·43 cites·13 claims
- 3786US4650738ANegative working diazo color proofing methodHOECHST CO AMERICAN·Filed 1984·Granted Mar 17, 1987·44 cites·19 claims
- 3886US4435496APhotopolymer cleavage imaging systemHOECHST CO AMERICAN·Filed 1982·Granted Mar 6, 1984·42 cites·9 claims
- 3985US4299906ALight-sensitive color proofing film with surfactant in a light-sensitive coatingHOECHST CO AMERICAN·Filed 1980·Granted Nov 10, 1981·44 cites·16 claims
- 4085US4029672AAminoalkylpyrrolobenzoxazalkanesHOECHST CO AMERICAN·Filed 1976·Granted Jun 14, 1977·11 cites·18 claims
- 4185US3931407AMethod of treatment with and compositions containing condensed pyrroles bearing an N-phenyl substituentHOECHST CO AMERICAN·Filed 1974·Granted Jan 6, 1976·23 cites·24 claims
- 4284US4525419ACopolyester primed plastic filmHOECHST CO AMERICAN·Filed 1984·Granted Jun 25, 1985·36 cites·14 claims
- 4384US4124713AOxopyridobenzoxepin-acetic acids and derivatives thereof useful as antiinflammatory and analgesic agentsHOECHST CO AMERICAN·Filed 1977·Granted Nov 7, 1978·8 cites·12 claims
- 4484US4053599APiperazionalkylpyrrolobenzoxazalkanesHOECHST CO AMERICAN·Filed 1976·Granted Oct 11, 1977·12 cites·17 claims
- 4584US3995343AApparatus for processing a printing plateHOECHST CO AMERICAN·Filed 1975·Granted Dec 7, 1976·36 cites·7 claims
- 4683US4578156AElectrolytes for electrochemically treating metal platesHOECHST CO AMERICAN·Filed 1984·Granted Mar 25, 1986·46 cites·39 claims
- 4783US4544694AExtrusion lubricant composition and processHOECHST CO AMERICAN·Filed 1984·Granted Oct 1, 1985·48 cites·15 claims
- 4883US4388375APolyester based polarizerHOECHST CO AMERICAN·Filed 1981·Granted Jun 14, 1983·48 cites·16 claims
- 4983US4133926ALaminated identification card having special interlaminar adhesiveHOECHST CO AMERICAN·Filed 1977·Granted Jan 9, 1979·40 cites·17 claims
- 5082US4664709AAzoacylacetamide dispersing agents and azo-pigment compositionsHOECHST CO AMERICAN·Filed 1985·Granted May 12, 1987·27 cites·28 claims
Showing the top 50 of 235 patent records by PatentIndex Score.
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