Assignee
STAMICARBON
574 granted patents·13 pending applications·7,534 citations·filing 1966–2025
Top patents by PatentIndex Score
587 records- 0198US4430383AFilaments of high tensile strength and modulusSTAMICARBON·Filed 1982·Granted Feb 7, 1984·129 cites·2 claims
- 0298US4422993AProcess for the preparation of filaments of high tensile strength and modulusSTAMICARBON·Filed 1980·Granted Dec 27, 1983·118 cites·6 claims
- 0398US4344908AProcess for making polymer filaments which have a high tensile strength and a high modulusSTAMICARBON·Filed 1980·Granted Aug 17, 1982·168 cites·8 claims
- 0497US4113658AProcess for homogeneous deposition precipitation of metal compounds on support or carrier materialsSTAMICARBON·Filed 1976·Granted Sep 12, 1978·123 cites·5 claims
- 0596US5093386ALiquid curable plastic compositionSTAMICARBON·Filed 1991·Granted Mar 3, 1992·97 cites·10 claims
- 0696US4436689AProcess for the production of polymer filaments having high tensile strengthSTAMICARBON·Filed 1982·Granted Mar 13, 1984·124 cites·15 claims
- 0796US4137215AProcess for preparing decorative plastics articles, as well as products prepared according to the processSTAMICARBON·Filed 1976·Granted Jan 30, 1979·76 cites·9 claims
- 0895US4254297AProcess for the conversion of dimethyl etherSTAMICARBON·Filed 1979·Granted Mar 3, 1981·145 cites·4 claims
- 0994US3988132ADevice for separating impurities from gasesSTAMICARBON·Filed 1975·Granted Oct 26, 1976·237 cites·1 claims
- 1093US9802820B2Plant for hydrogen productionSTAMICARBON·Filed 2014·Granted Oct 31, 2017·13 cites·10 claims
- 1193US4344804AProcess and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articlesSTAMICARBON·Filed 1979·Granted Aug 17, 1982·123 cites·22 claims
- 1292US5334455AFree-radical curable compositionsSTAMICARBON·Filed 1992·Granted Aug 2, 1994·74 cites·26 claims
- 1392US4761445APolyamide resin compositionSTAMICARBON·Filed 1985·Granted Aug 2, 1988·57 cites·8 claims
- 1492US4137394AProcess for continuous preparation of fibrous polymer crystalsSTAMICARBON·Filed 1977·Granted Jan 30, 1979·154 cites·17 claims
- 1592US4091176APorous electrodeSTAMICARBON·Filed 1976·Granted May 23, 1978·55 cites·23 claims
- 1692US4085283APhosphonate-isocyanuratesSTAMICARBON·Filed 1976·Granted Apr 18, 1978·38 cites·7 claims
- 1791US11905234B2Ammonia removal from urea finishingSTAMICARBON·Filed 2022·Granted Feb 20, 2024·2 cites·9 claims
- 1891US11746084B2Ferritic steel parts in urea plantsSTAMICARBON·Filed 2020·Granted Sep 5, 2023·2 cites·7 claims
- 1991US11332437B2Urea production with multiple evaporatorsSTAMICARBON·Filed 2020·Granted May 17, 2022·4 cites·14 claims
- 2091US5219896APrimary coatings for optical glass fibers including poly(carbonate-urethane) acrylatesSTAMICARBON·Filed 1992·Granted Jun 15, 1993·83 cites·22 claims
- 2191US4742128AProcess for preparing a polymer alloy, molded product, and reaction injection molded productsSTAMICARBON·Filed 1985·Granted May 3, 1988·51 cites·46 claims
- 2291US4178300ASolutions of organic magnesium compounds containing oxygen in hydrocarbonsSTAMICARBON·Filed 1978·Granted Dec 11, 1979·37 cites·17 claims
- 2391US4137259ACatalytic gas phase oxidation of toluene to benzaldehyde and/or benzoic acidSTAMICARBON·Filed 1977·Granted Jan 30, 1979·30 cites·8 claims
- 2491US4004886ATwo stage continuous process and apparatus for crystallizationSTAMICARBON·Filed 1975·Granted Jan 25, 1977·50 cites·7 claims
- 2591US3940442ARecycle process for the preparation and processing of a hydroxylammonium salt solutionSTAMICARBON·Filed 1975·Granted Feb 24, 1976·34 cites·5 claims
- 2690US5066755ANovel irradiated polyethylene filaments tapes and films and process thereforSTAMICARBON·Filed 1989·Granted Nov 19, 1991·58 cites·25 claims
- 2790US5001206AOriented polyolfinsSTAMICARBON·Filed 1990·Granted Mar 19, 1991·51 cites·8 claims
- 2890US4457729APolyolefin layer with improved adhesion to a foamed plastic substrate and a method for its manufactureSTAMICARBON·Filed 1981·Granted Jul 3, 1984·61 cites·9 claims
- 2990US4411854AProcess for the production of filaments with high tensile strength and modulusSTAMICARBON·Filed 1981·Granted Oct 25, 1983·59 cites·5 claims
- 3090US4183809AProcess for removing organic substances and nitrogen compounds from waste waterSTAMICARBON·Filed 1978·Granted Jan 15, 1980·77 cites·12 claims
- 3190US4127468AProcess for preparing a metal electrodeSTAMICARBON·Filed 1976·Granted Nov 28, 1978·49 cites·19 claims
- 3290US4052336AProcess for preparing noble metal catalystsSTAMICARBON·Filed 1976·Granted Oct 4, 1977·59 cites·13 claims
- 3390US3963793AProcess for preparing dehydrodimerization productsSTAMICARBON·Filed 1974·Granted Jun 15, 1976·25 cites·18 claims
- 3489US12325679B2Ferritic steel parts in urea plantsSTAMICARBON·Filed 2024·Granted Jun 10, 2025·0 cites·17 claims
- 3589US10882820B2Urea production with controlled biuretSTAMICARBON·Filed 2019·Granted Jan 5, 2021·6 cites·6 claims
- 3689US10370326B2Urea ammonium nitrate production comprising condensationSTAMICARBON·Filed 2016·Granted Aug 6, 2019·6 cites·18 claims
- 3789US5248461AProcess of making microporous films of UHMWPESTAMICARBON·Filed 1991·Granted Sep 28, 1993·58 cites·6 claims
- 3889US4173547ACatalyst for preparing polyalkenesSTAMICARBON·Filed 1978·Granted Nov 6, 1979·84 cites·13 claims
- 3988US11420937B2Urea plant with chilled condensation sectionSTAMICARBON·Filed 2020·Granted Aug 23, 2022·2 cites·14 claims
- 4088US5071894AFlame retardant polyamidesSTAMICARBON·Filed 1990·Granted Dec 10, 1991·48 cites·28 claims
- 4188US4435314AProcess of preparing a polymerization catalyst and preparation of ethylene polymers with this catalystSTAMICARBON·Filed 1982·Granted Mar 6, 1984·49 cites·7 claims
- 4288US4420622AProcess for the preparation of a 5-alkyl-butyrolactoneSTAMICARBON·Filed 1982·Granted Dec 13, 1983·27 cites·5 claims
- 4388US4408046AProcess of preparing melamineSTAMICARBON·Filed 1982·Granted Oct 4, 1983·24 cites·12 claims
- 4488US4209591AEnzymatic conversion processSTAMICARBON·Filed 1978·Granted Jun 24, 1980·39 cites·5 claims
- 4588US3997607ARecycling process for the preparation of cyclohexanone oximeSTAMICARBON·Filed 1975·Granted Dec 14, 1976·25 cites·8 claims
- 4688US2025115547A1Integrated production of urea for diesel exhaust fluid and urea ammonium nitrateSTAMICARBON·Filed 2024·Application pending·0 cites
- 4787US5102594AProcess for the processing of a thermoplastic polycondensation polymerSTAMICARBON·Filed 1990·Granted Apr 7, 1992·79 cites·10 claims
- 4887US5021510AGraft-modified linear low-density polyethylenes, process for their preparation and the application thereofSTAMICARBON·Filed 1989·Granted Jun 4, 1991·56 cites·13 claims
- 4987US4652678AProcess for the recovery of valuable components from the waste streams obtained in the preparation of ureaSTAMICARBON·Filed 1984·Granted Mar 24, 1987·40 cites·5 claims
- 5087US4278137AApparatus for extracting minerals through a boreholeSTAMICARBON·Filed 1979·Granted Jul 14, 1981·86 cites·12 claims
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