Karll; Robert E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Karll; Robert E..The latest application filed is for "oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine".

Company Profile

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Karll; Robert E. - Batavia IL
Karll; Robert E. - Munster IN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine Grant 4,253,974 - Valcho , et al. March 3, 1	1981-03-03
Mannich reaction products made with alkyphenol substituted aliphatic unsaturated carboxylic acids Grant 4,142,980 - Karll , et al. March 6, 1	1979-03-06
Oil recovery and mobility control using succinamate surfactant systems Grant 4,120,800 - Valcho , et al. October 17, 1	1978-10-17
Terpolymer alkylated phenol Grant 4,070,402 - Karll , et al. January 24, 1	1978-01-24
Nuclear oxidative of alkyl-substituted phenols in presence of lower alkenoic acid solution of potassium dichromate and manganese acetate Grant 3,876,709 - Lee , et al. April 8, 1	1975-04-08
Oil-soluble Lubricant Bi-functional Additives From Mannich Condensation Products Of Oxidized Olefin Copolymers, Amines And Aldehydes Grant 3,872,019 - Culbertson , et al. March 18, 1	1975-03-18
Oil-soluble aminated oxidized olefin copolymers Grant 3,864,268 - Culbertson , et al. February 4, 1	1975-02-04
Oil Solution Of Aliphatic Acid Derivatives Of High Molecular Weight Mannich Condensation Product Grant 3,803,039 - Piasek , et al. April 9, 1	1974-04-09
Preparation Of Oil-soluble Boron Derivatives Of An Alkylene Polyamine-urea Or Thiourea-succinic Anhydride Addition Product Grant 3,718,663 - Piasek , et al. February 27, 1	1973-02-27
Boron Derivatives Of High Molecular Weight Mannich Condensation Products Grant 3,697,574 - Piasek , et al. October 10, 1	1972-10-10

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