HL

Hanh T. Le

CO Conoco: 8 patents #29 of 638Top 5%
Overall (All Time): #592,203 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5115059 Terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate 1992-05-19
5055212 Oil compositions containing alkyl mercaptan derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic compound 1991-10-08
5015406 Mineral oil or synthetic oil compositions containing terpolymers of alkyl acrylates or methacrylates etc. 1991-05-14
4992080 Oil compositions containing alkyl amine derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic compound 1991-02-12
4980435 Process for producing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate or perfluoroalkyl ethyl acrylates or methacrylates 1990-12-25
4954135 Oil compositions containing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and allyl acrylates or methacrylates 1990-09-04
4900331 Oil compositions containing alkyl amine or alkyl mercaptan derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic copound 1990-02-13
4900569 Terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate or perfluoroalkyl ethyl acrylates or methacrylates 1990-02-13
4886520 Oil compositions containing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and allyl acrylates or methacrylates or perfluoroalkyl ethyl acrylates or methacrylates 1989-12-12