Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for making N-(N'-methylenepyrrolidonyl)-2-substituted anilines

Process for making N-(N'-methylenepyrrolidonyl)-2-substituted anilines

US Patent 4216152 · Granted Aug 5, 1980

Estimated economic value: $596,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Composition for detecting alpha particle radiation and methods of use2023
Microbially-mediated method for synthesis of metal chalcogenide nanoparticles2019
Method for preventing or retarding the formation of gas hydrates2002
Corrosion inhibition during transport of water and a hydrocarbon through a pipel2002
Water soluble dye complexing polymers2002
Process for making water soluble polyvinylcaprolactam polymers2002
Method for preventing or retarding the formation of gas hydrates2001
Blend for preventing or retarding the formation of gas hydrates2001
Method for preventing or retarding the formation of gas hydrates2000
Sunscreen concentrate1999
Equipment and method for filtration using a fabric of polyacrylonitrile fibers1990
Method for desalting crude oil1989