Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of modified polymers of N-vinylpyrrolid-2-one and their use for the preparation of polymers interrupted by bridge members

Preparation of modified polymers of N-vinylpyrrolid-2-one and their use for the preparation of polymers interrupted by bridge members

US Patent 4229551 · Granted Oct 21, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Blinding kit for clinical trials2018
Blinding kit for clinical trials2018
Frame-rate conversion2014
System and method for the detection of de-interlacing of scaled video2014
Method for purifying supply flows containing aromates by means of zeolites2013
System and method for motion estimation using image depth information2013
Method of electronic color image saturation processing2012
Spectrum sequential display having reduced cross talk2012
Method of converting signals for multi-primary color display2012
Image detail enhancement2012
System and method for the detection of de-interlacing of scaled video2012
Sparkle processing2011