Inventor

KLEIST ROBERT A

US30 patents

⚠️ This page may combine multiple inventors who share the name “KLEIST ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KLEIST ROBERT A

EXXON CHEMICAL PATENTS INC

Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives

Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives

Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)

Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives

Borated ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives

Ethylene alpha-olefin copolymer substituted hydroxy aromatic compounds

Ethylene alpha-olefin copolymer substituted amino phenol mannich base lubricant dispersant additives

Polyolefinic succinimide polyamine alkyl acetoacetate adducts

Ethylene α-olefin/diene interpolymer-substituted carboxylic acid dispersant additives

Ethylene alpha-olefin/diene interpolymer-substituted carboxylic acid dispersant additives

Ethylene alpha-olefin mannich base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines

Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in fuel oil compositions

Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions

Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid lubricant dispersant additives

Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives

Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer additives in lubricating oil compositions

Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives

Borated ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives

Ashless dispersants

Ethylene alpha-olefin polymer substituted thiocarboxylic acid lubricant dispersant additives

Ethylene alpha-olefin copolymer substituted Mannich base lubricant dispsersant additives

Ethylene α-olefin copolymer substituted mannich base lubricant dispersant additives

Amido-amine ashless dispersants

Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants

PRINTRONIX INC

Printer system ribbon drive having constant ribbon speed and tension

Print hammer actuator for dot matrix printers

Impact printer having wear-resistant platings on hammer springs and pole piece tips

INFINEUM INT LTD

Hydroxy aromatic mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions

Polyalkene-substituted carboxylic acid compositions having reduced chlorine content

EXXON RESEARCH ENGINEERING CO

Solution process for preparing metal salt esters of hydrocarbyl substituted succinic acid or anhydride and alkanols