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ChampionX LLC

ChampionX
Active Patents
0
Total Holdings
22

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB1181296A Small Particle Size Silica Sol and Method of Preparing same Expired / Lapsed 1967-07-20 — 0 Details
GB611914A Method of purifying sols Expired / Lapsed 1945-09-18 — 0 Details
US4490308A New water-soluble sulfonated monomers Expired / Lapsed 1983-06-30 1984-12-25 12 Details
US4361492A Particulate dispersant enhancement using acrylamide-acrylic… Expired / Lapsed 1981-04-09 1982-11-30 3 Details
US3947376A Silica sols containing large particle size silica Expired / Lapsed 1971-05-12 1976-03-30 6 Details
US3856088A Method of extinguishing oil and gas well fires Expired / Lapsed 1971-12-29 1974-12-24 8 Details
US3710237A Probe for a conductivity testing device Expired / Lapsed 1970-09-08 1973-01-09 4 Details
US3582494A Method of preparing alkaline salt-free aqueous colloidal so… Expired / Lapsed 1968-03-27 1971-06-01 0 Details
US3388868A Foam producing nozzle Expired / Lapsed 1965-10-29 1968-06-18 0 Details
US3371712A Composition and method of agglomerating and stabilizing par… Expired / Lapsed 1966-04-19 1968-03-05 4 Details
US3289734A Scale deposition inhibition in black liquor multiple effect… Expired / Lapsed 1965-08-17 1966-12-06 2 Details
US3216882A Porous plastic film Expired / Lapsed 1960-12-05 1965-11-09 2 Details
US3203873A Process for scale prevention in saline water evaporator Expired / Lapsed 1962-03-15 1965-08-31 2 Details
US3150212A Process for forming hemispherical lead pellets Expired / Lapsed 1961-06-29 1964-09-22 2 Details
US3069728A Production of ion selective permeable membrane Expired / Lapsed 1957-07-22 1962-12-25 1 Details
US2957206A Production of ion selective permeable membrane and composit… Expired / Lapsed 1957-07-22 1960-10-25 4 Details
US2838045A Microbicidal bandage Expired / Lapsed 1956-10-29 1958-06-10 2 Details
US2701791A Water softening process Expired / Lapsed 1950-12-12 1955-02-08 2 Details
US2486249A Acylamino-nu-substituted amides Expired / Lapsed 1947-07-19 1949-10-25 0 Details
US2284827A Water softening and clarification Expired / Lapsed 1940-08-03 1942-06-02 0 Details
US2276560A Process and apparatus for carrying out chemical process Expired / Lapsed 1937-12-01 1942-03-17 0 Details
US2019618A Refractory ceramic Expired / Lapsed 1933-09-25 1935-11-05 0 Details