Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of reducing pinch deformation and contour lines in polyurethane molded foam employing timed partial pressure release

Method of reducing pinch deformation and contour lines in polyurethane molded foam employing timed partial pressure release

US Patent 5772936 · Granted Jun 30, 1998

Estimated economic value: $9,227,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for manufacturing foam with improved wet set properties1998
Process for manufacturing foam with improved wet set properties1996
Reactive feed stream to replace inert blowing agent feed stream in a polyurethan1992
Mold and mold vent1990
Mold release coating process and apparatus using a supercritical fluid1989
Novel process for making polyurethane products which require reduced crushing in1988
Novel process for making flexible polyurethane cellular products including a nov1986