Assignee
MARUZEN OIL CO LTD
JP·27 granted patents·395 citations·filing 1973–1983
Top patents by PatentIndex Score
27 records- 0190US4221700AStabilized polymer compositionMARUZEN OIL CO LTD·Filed 1978·Granted Sep 9, 1980·50 cites·26 claims
- 0285US4032513AProcess of producing alkenylphenol polymersMARUZEN OIL CO LTD·Filed 1976·Granted Jun 28, 1977·32 cites·10 claims
- 0383US4299997AProcess for producing ethylene glycol mono-tert-butyl etherMARUZEN OIL CO LTD·Filed 1979·Granted Nov 10, 1981·15 cites·16 claims
- 0480US3970534AGraft copolymer and process for preparation thereofMARUZEN OIL CO LTD·Filed 1975·Granted Jul 20, 1976·30 cites·25 claims
- 0579US3963662APolyion complex and process for preparation thereofMARUZEN OIL CO LTD·Filed 1974·Granted Jun 15, 1976·27 cites·18 claims
- 0675US4024076AProcess for producing granular sulfurized material, granular carbon or granular activated carbonMARUZEN OIL CO LTD·Filed 1974·Granted May 17, 1977·19 cites·14 claims
- 0773US4123371AProcess for preparing over-based sulfurized alkaline earth metal phenatesMARUZEN OIL CO LTD·Filed 1977·Granted Oct 31, 1978·20 cites·9 claims
- 0871US4368337AProcess for converting glycol dialkyl etherMARUZEN OIL CO LTD·Filed 1981·Granted Jan 11, 1983·11 cites·13 claims
- 0971US4101590AProcess for separation and purification of vinylphenolMARUZEN OIL CO LTD·Filed 1976·Granted Jul 18, 1978·11 cites·21 claims
- 1070US4151220APowder coating compositionMARUZEN OIL CO LTD·Filed 1977·Granted Apr 24, 1979·26 cites·24 claims
- 1168US4021403AFlame resistant thermosetting resin composition and metal clad laminate composed of the thermosetting resin compositionMARUZEN OIL CO LTD·Filed 1975·Granted May 3, 1977·18 cites·14 claims
- 1266US4020225AMetal clad laminate composed of flame resistant thermosetting resin compositionMARUZEN OIL CO LTD·Filed 1975·Granted Apr 26, 1977·17 cites·11 claims
- 1365US4503271AProcess for the production of para-vinyl phenol by dehydrogenation of para-ethyl phenolMARUZEN OIL CO LTD·Filed 1983·Granted Mar 5, 1985·7 cites·11 claims
- 1464US4390468APreparation of antitumor agent from shellfishMARUZEN OIL CO LTD·Filed 1982·Granted Jun 28, 1983·19 cites·10 claims
- 1559US4518807AProcess for the production of basic alkaline earth metal phenatesMARUZEN OIL CO LTD·Filed 1983·Granted May 21, 1985·11 cites·22 claims
- 1658US3940344AMethod of producing activated carbons from petroleum heavy materials in a reaction solvent with a sulfonating agentMARUZEN OIL CO LTD·Filed 1973·Granted Feb 24, 1976·11 cites·32 claims
- 1756US4517349AProcess for the production of p-vinyl phenol polymerMARUZEN OIL CO LTD·Filed 1983·Granted May 14, 1985·11 cites·12 claims
- 1854US4455149AProcess for the production of fuel compositionsMARUZEN OIL CO LTD·Filed 1981·Granted Jun 19, 1984·16 cites·21 claims
- 1949US4436656ANovel antitumor glycoprotein substance and its preparationMARUZEN OIL CO LTD·Filed 1983·Granted Mar 13, 1984·4 cites·4 claims
- 2049US4025401AMethod for diaphragm electrolysis of alkali metal halidesMARUZEN OIL CO LTD·Filed 1975·Granted May 24, 1977·10 cites·23 claims
- 2145US4028340AProcess for preparing p-vinylphenol polymerMARUZEN OIL CO LTD·Filed 1976·Granted Jun 7, 1977·9 cites·18 claims
- 2244US4345102AProcess for producing ethylene glycol mono-t-butyl etherMARUZEN OIL CO LTD·Filed 1980·Granted Aug 17, 1982·2 cites·15 claims
- 2343US4032598AProcess for purifying halogenated alkenylphenol polymersMARUZEN OIL CO LTD·Filed 1976·Granted Jun 28, 1977·4 cites·19 claims
- 2442US4011147AMethod for diaphragm electrolysis of alkali metal halidesMARUZEN OIL CO LTD·Filed 1975·Granted Mar 8, 1977·6 cites·23 claims
- 2540US4436657AAntitumor glycoprotein substance and preparation thereofMARUZEN OIL CO LTD·Filed 1983·Granted Mar 13, 1984·2 cites·6 claims
- 2639US4243581AStabilized polypropylene compositionMARUZEN OIL CO LTD·Filed 1978·Granted Jan 6, 1981·3 cites·6 claims
- 2739US4189603AProcess for producing high-quality terephthalic acid suitable for use in direct polymerizationMARUZEN OIL CO LTD·Filed 1978·Granted Feb 19, 1980·4 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →