Antonio Gutierrez
184Patents
25h-index
100Co-inventors
93Inventor score
Filing activity: Mar 5, 1975 → Oct 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5017299A | Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives | Chemistry; Metallurgy | 106 | Expired |
| US5229022A | Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920) | Chemistry; Metallurgy | 88 | Expired |
| US4632769A | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Chemistry; Metallurgy | 74 | Expired |
| US4963275A | Dispersant additives derived from lactone modified amido-amine adducts | Chemistry; Metallurgy | 73 | Expired |
| US5186851A | Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives | Chemistry; Metallurgy | 64 | Expired |
| US4116876A | Borated oxazolines as varnish inhibiting dispersants in lubricating oils | Chemistry; Metallurgy | 57 | Expired |
| US5633326A | Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions | Chemistry; Metallurgy | 53 | Expired |
| US4956107A | Amide dispersant additives derived from amino-amines | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US4062786A | Lactone oxazolines as oleaginous additives | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US5266223A | Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5643859A | Derivatives of polyamines with one primary amine and secondary of tertiary amines | Chemistry; Metallurgy | 47 | Expired |
| US5627259A | Amidation of ester functionalized hydrocarbon polymers | Chemistry; Metallurgy | 47 | Expired |
| US5275747A | Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition | Chemistry; Metallurgy | 46 | Expired |
| US4702850A | Power transmitting fluids containing esters of hydrocarbyl succinic acid or anhydride with thio-bis-alkanols | Chemistry; Metallurgy | 40 | Expired |
| US5026495A | Oil soluble dispersant additives useful in oleaginous compositions | Chemistry; Metallurgy | 39 | Expired |
| US4123373A | Lactone polyol esters as oleaginous additives | Chemistry; Metallurgy | 37 | Expired |
| US4857217A | Dispersant additives derived from amido-amines | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4971711A | Lactone-modified, mannich base dispersant additives useful in oleaginous compositions | Chemistry; Metallurgy | 36 | Expired |
| US5277833A | Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid lubricant dispersant additives | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4557847A | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions | Chemistry; Metallurgy | 31 | Expired |
| US5366647A | Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition (PT-796) | Chemistry; Metallurgy | 30 | Expired |
| US5259968A | Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product | Chemistry; Metallurgy | 28 | Expired |
| US4686054A | Succinimide lubricating oil dispersant | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4344853A | Functional fluid containing metal salts of esters of hydrocarbyl succinic acid or anhydride with thio-bis-alkanols as antioxidants | Chemistry; Metallurgy | 27 | Expired |
| US5268115A | Alkyl-substituted hydroxyaromatic compounds useful as a multifunctional viscosity index improver | Emerging Cross-Sectional Technologies | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.