Assignee
BEROL KEMI AB
44 granted patents·1,378 citations·filing 1974–1991
Top patents by PatentIndex Score
44 records- 0195US4144122AQuaternary ammonium compounds and treatment of cellulose pulp and paper therewithBEROL KEMI AB·Filed 1977·Granted Mar 13, 1979·256 cites·13 claims
- 0293US4855505APromoted nickel and/or cobalt catalyst, its use, and process performed in its presenceBEROL KEMI AB·Filed 1986·Granted Aug 8, 1989·99 cites·22 claims
- 0393US4358368AProcess for the froth flotation of calcium phosphate-containing minerals and flotation agents thereforBEROL KEMI AB·Filed 1981·Granted Nov 9, 1982·72 cites·23 claims
- 0487US4650000AAcidizing method using microemulsionBEROL KEMI AB·Filed 1985·Granted Mar 17, 1987·86 cites·8 claims
- 0587US4303471AMethod of producing fluffed pulpBEROL KEMI AB·Filed 1979·Granted Dec 1, 1981·83 cites·10 claims
- 0685US4839287AProcess for the transesterification of triglycerides in an aqueous microemulsion reaction medium in the presence of lipase enzymeBEROL KEMI AB·Filed 1987·Granted Jun 13, 1989·37 cites·14 claims
- 0784US4659332AProcess for dry-cleaning textiles and microemulsion dry cleaning composition for the use thereinBEROL KEMI AB·Filed 1982·Granted Apr 21, 1987·26 cites·10 claims
- 0883US4226791AMethod and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extractionBEROL KEMI AB·Filed 1978·Granted Oct 7, 1980·22 cites·11 claims
- 0982US4058489ADetergent composition having textile softening and antistatic effectBEROL KEMI AB·Filed 1975·Granted Nov 15, 1977·39 cites·16 claims
- 1081US4134610AProcess for the preparation of semi-rigid polyurethane foam having exceptional shock-absorbing properties and vehicle bumpers thereofBEROL KEMI AB·Filed 1976·Granted Jan 16, 1979·52 cites·23 claims
- 1180US4701434APromoted nickel and/or cobalt catalyst, its use, and process performed in its presesnceBEROL KEMI AB·Filed 1984·Granted Oct 20, 1987·30 cites·19 claims
- 1280US4112231AProcess for the condensation of epoxides with organic compounds having an active hydrogenBEROL KEMI AB·Filed 1976·Granted Sep 5, 1978·42 cites·13 claims
- 1379US4990269ASurface active compound, a microemulsion containing said compound and the use thereofBEROL KEMI AB·Filed 1989·Granted Feb 5, 1991·17 cites·8 claims
- 1478US4863890AProcess for preparing a ruthenium-promoted, halogen-containing nickel and/or cobalt catalyst and a catalyst prepared by the processBEROL KEMI AB·Filed 1987·Granted Sep 5, 1989·31 cites·36 claims
- 1578US4564461AMethod for the mechanical working of cast iron and an aqueous concentrate to be used in the methodBEROL KEMI AB·Filed 1984·Granted Jan 14, 1986·31 cites·22 claims
- 1678US4384965AMethod for the mechanical working of metals and lubricant concentrateBEROL KEMI AB·Filed 1981·Granted May 24, 1983·27 cites·10 claims
- 1777US4143004AProcess for the preparation of polyurethane foamBEROL KEMI AB·Filed 1977·Granted Mar 6, 1979·26 cites·5 claims
- 1872US4710267AProcess for reducing discoloration and/or tackiness in processing waste paper fibersBEROL KEMI AB·Filed 1985·Granted Dec 1, 1987·29 cites·8 claims
- 1969US4830739AProcess and composition for the froth flotation beneficiation of iron minerals from iron oresBEROL KEMI AB·Filed 1988·Granted May 16, 1989·27 cites·2 claims
- 2068US4545898AProcess for froth flotationBEROL KEMI AB·Filed 1984·Granted Oct 8, 1985·20 cites·11 claims
- 2167US5204060AMethod for disinfectionBEROL KEMI AB·Filed 1991·Granted Apr 20, 1993·41 cites·7 claims
- 2266US4732667AProcess and composition for the froth flotation beneficiation of iron minerals from iron oresBEROL KEMI AB·Filed 1985·Granted Mar 22, 1988·25 cites·26 claims
- 2366US4032411AProcess for the preparation of ethylene diamine having low water contentBEROL KEMI AB·Filed 1975·Granted Jun 28, 1977·31 cites·9 claims
- 2465US4315755AHydrocarbon oils containing 1 to 10 percent emulsified water and emulsifiers thereforBEROL KEMI AB·Filed 1980·Granted Feb 16, 1982·25 cites·11 claims
- 2563US5047197ACellulose derivative spinning solutions having improved processability and processBEROL KEMI AB·Filed 1985·Granted Sep 10, 1991·16 cites·18 claims
- 2663US4790978AMethod for disinfectionBEROL KEMI AB·Filed 1986·Granted Dec 13, 1988·10 cites·14 claims
- 2762US4976919AMethod for mechanically working cobalt-containing metalBEROL KEMI AB·Filed 1988·Granted Dec 11, 1990·20 cites·24 claims
- 2861US4298352ADiesel fuel comprising methanol and a methanol-soluble polyoxyalkylene compoundBEROL KEMI AB·Filed 1980·Granted Nov 3, 1981·18 cites·13 claims
- 2960US4992587AProcess of using a ruthenium-promoted, halogen-containing, nickel and/or cobalt catalyst, to catalyze an amination reactionBEROL KEMI AB·Filed 1989·Granted Feb 12, 1991·15 cites·5 claims
- 3057US4018696ALiquid detergent compositionBEROL KEMI AB·Filed 1975·Granted Apr 19, 1977·17 cites·5 claims
- 3156US4828687AFroth flotation process and collector thereforBEROL KEMI AB·Filed 1985·Granted May 9, 1989·15 cites·6 claims
- 3254US4831176AEther phosphonate surfactants having branched hydrophobic tails and their use in an enhanced oil recovery processBEROL KEMI AB·Filed 1987·Granted May 16, 1989·13 cites·7 claims
- 3352US3954573ACompositions and process for the electroplating of metal or metal alloy coatings of high brightness on a base surfaceBEROL KEMI AB·Filed 1974·Granted May 4, 1976·9 cites·23 claims
- 3451US4070276AFlotation process of lead-, copper-, uranium- and rare earth mineralsBEROL KEMI AB·Filed 1976·Granted Jan 24, 1978·14 cites·6 claims
- 3550US4036875AProcess for the continuous sulphonation of alkyl aromatic hydrocarbonsBEROL KEMI AB·Filed 1975·Granted Jul 19, 1977·6 cites·6 claims
- 3645US4430238AEsterified dicarboxylic acid and its useBEROL KEMI AB·Filed 1982·Granted Feb 7, 1984·8 cites·7 claims
- 3744US5080902AArticle and a prophylactic composition containing a microbicideBEROL KEMI AB·Filed 1988·Granted Jan 14, 1992·12 cites·6 claims
- 3837US4217235AProcess for the selective extraction of metal cations from aqueous solutions thereof and compositionsBEROL KEMI AB·Filed 1978·Granted Aug 12, 1980·5 cites·29 claims
- 3936US4767701APoly I:C covalently bonded to polymer for diagnostic purposesBEROL KEMI AB·Filed 1985·Granted Aug 30, 1988·8 cites·17 claims
- 4036US4025353AViscose solutions and process for preparing the sameBEROL KEMI AB·Filed 1975·Granted May 24, 1977·5 cites·24 claims
- 4135US4876122APackage capable of preventing foam formation, method of manufacturing such a package, and antifoaming agentBEROL KEMI AB·Filed 1988·Granted Oct 24, 1989·4 cites·14 claims
- 4231US4795578AProcess and composition for the froth flotation beneficiation of iron minerals from iron oresBEROL KEMI AB·Filed 1987·Granted Jan 3, 1989·4 cites·17 claims
- 4326US4254823AProcess for separating mineral wool fibers from nonfibrous materialsBEROL KEMI AB·Filed 1977·Granted Mar 10, 1981·5 cites·17 claims
- 4413US4548647AMethod for improving the filterability of a viscose solutionBEROL KEMI AB·Filed 1984·Granted Oct 22, 1985·0 cites·9 claims
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