Inventor · disambiguated record
Richard R. Klimpel
Also filed as: KLIMPEL RICHARD R · MANFROY WILLY
35 granted patents·621 citations·filing 1977–1998
98Inventor score
Files withDOW CHEMICAL CO33
Top patents by PatentIndex Score
35 records- 0188US4162044AProcess for grinding coal or ores in a liquid mediumDOW CHEMICAL CO·Filed 1978·Granted Jul 24, 1979·34 cites·25 claims
- 0287US4684459ACollector compositions for the froth flotation of mineral valuesDOW CHEMICAL CO·Filed 1986·Granted Aug 4, 1987·48 cites·23 claims
- 0387US4582596AFrothers demonstrating enhanced recovery of coarse particles in froth floatationDOW CHEMICAL CO·Filed 1984·Granted Apr 15, 1986·44 cites·15 claims
- 0485US4797202AFroth flotation methodDOW CHEMICAL CO·Filed 1987·Granted Jan 10, 1989·45 cites·12 claims
- 0582US5131600AAlkanol amine grinding aidsDOW CHEMICAL CO·Filed 1990·Granted Jul 21, 1992·48 cites·8 claims
- 0681US4136830AOre grinding process containing copolymer grinding aidsDOW CHEMICAL CO·Filed 1977·Granted Jan 30, 1979·24 cites·17 claims
- 0780US5057209ADepression of the flotation of silica or siliceous gangue in mineral flotationDOW CHEMICAL CO·Filed 1990·Granted Oct 15, 1991·44 cites·21 claims
- 0876US4822483ACollector compositions for the froth flotation of mineral valuesDOW CHEMICAL CO·Filed 1987·Granted Apr 18, 1989·30 cites·25 claims
- 0973US4274599AOre grinding process including a grinding aid of an anionic polyelectrolyteDOW CHEMICAL CO·Filed 1978·Granted Jun 23, 1981·19 cites·21 claims
- 1072US5173176ADialkylated aryl monosulfonate collectors useful in the flotation of mineralsDOW CHEMICAL CO·Filed 1991·Granted Dec 22, 1992·30 cites·27 claims
- 1172US4162045AOre grinding processDOW CHEMICAL CO·Filed 1978·Granted Jul 24, 1979·21 cites·22 claims
- 1271US4808301AFlotation depressantsDOW CHEMICAL CO·Filed 1987·Granted Feb 28, 1989·25 cites·12 claims
- 1365US5169518ARecovery of petroleum from tar sandsDOW CHEMICAL CO·Filed 1991·Granted Dec 8, 1992·23 cites·6 claims
- 1460US5171427ASulfonated and carboxylate collector compositions useful in the flotation of mineralsDOW CHEMICAL CO·Filed 1991·Granted Dec 15, 1992·20 cites·14 claims
- 1558US5799882AHydroxy-carboxylic acid grinding aidsFiled 1996·Granted Sep 1, 1998·19 cites·5 claims
- 1658US4761223AFrothers demonstrating enhanced recovery of fine particles of coal in froth flotationDOW CHEMICAL CO·Filed 1984·Granted Aug 2, 1988·14 cites·1 claims
- 1755US4130401ACombustible and mobile fuel slurry and method of preparing sameDOW CHEMICAL CO·Filed 1978·Granted Dec 19, 1978·11 cites·5 claims
- 1852US4126276AProcess for grinding coal or ores in a liquid mediumDOW CHEMICAL CO·Filed 1977·Granted Nov 21, 1978·10 cites·18 claims
- 1952US4126277AProcess for grinding coal or ores in a liquid mediumDOW CHEMICAL CO·Filed 1977·Granted Nov 21, 1978·10 cites·16 claims
- 2050US5124028AFroth flotation of silica or siliceous gangueDOW CHEMICAL CO·Filed 1990·Granted Jun 23, 1992·13 cites·7 claims
- 2150US5015367AAlkylated diaryl oxide monosulfonate collectors useful in the floatation of mineralsDOW CHEMICAL CO·Filed 1990·Granted May 14, 1991·14 cites·18 claims
- 2246US4676890ACollector compositions for the froth flotation of mineral valuesDOW CHEMICAL CO·Filed 1986·Granted Jun 30, 1987·9 cites·23 claims
- 2345US4702822ANovel collector composition for froth flotationDOW CHEMICAL CO·Filed 1986·Granted Oct 27, 1987·8 cites·32 claims
- 2444US4735711ANovel collectors for the selective froth flotation of mineral sulfidesDOW CHEMICAL CO·Filed 1986·Granted Apr 5, 1988·9 cites·11 claims
- 2543US4126278AProcess for grinding coal or ores in a liquid mediumDOW CHEMICAL CO·Filed 1977·Granted Nov 21, 1978·7 cites·14 claims
- 2642US4770767AMethod for the froth flotation of coalDOW CHEMICAL CO·Filed 1987·Granted Sep 13, 1988·7 cites·14 claims
- 2741US4789392AFroth flotation methodDOW CHEMICAL CO·Filed 1987·Granted Dec 6, 1988·7 cites·13 claims
- 2837US4830740APyrite depressants useful in the separation of pyrite from coalDOW CHEMICAL CO·Filed 1988·Granted May 16, 1989·5 cites·17 claims
- 2937US4826588APyrite depressants useful in the separation of pyrite from coalDOW CHEMICAL CO·Filed 1988·Granted May 2, 1989·5 cites·15 claims
- 3037US4820406AMethod for the froth flotation of coalDOW CHEMICAL CO·Filed 1987·Granted Apr 11, 1989·5 cites·14 claims
- 3132US5244155ASolid-solid separations utilizing alkanol aminesDOW CHEMICAL CO·Filed 1991·Granted Sep 14, 1993·4 cites·10 claims
- 3231US4732668ANovel collectors for the selective froth flotation of mineral sulfidesDOW CHEMICAL CO·Filed 1986·Granted Mar 22, 1988·2 cites·13 claims
- 3330US6135372AHydroxy-carboxylic acid grinding aidsFiled 1998·Granted Oct 24, 2000·1 cites·7 claims
- 3429US4411927AMethod for grinding cereal grains in the presence of grinding aidsDOW CHEMICAL CO·Filed 1982·Granted Oct 25, 1983·3 cites·7 claims
- 3529US4384010AGrinding aids for the grinding of cereal grainsDOW CHEMICAL CO·Filed 1980·Granted May 17, 1983·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →