Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Permselective composite membrane having improved gas permeability and selectivity

Permselective composite membrane having improved gas permeability and selectivity

US Patent 5176724 · Granted Jan 5, 1993

Estimated economic value: $33,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Oral preparations comprising S-(3-hydroxypropyl)-L-cysteine2002
Display apparatus and method for forming hologram suitable for the display appar2000
Backlighting device2000
Display device2000
Backlighting device and color display device1999
Head up display unit, liquid crystal display panel, and method of fabricating th1999
Display device1999
Display device1998
Process for the preparation of 1-monoalkyl dimethylsilylpropyne polymers1994
Process for the preparation of 1-monoalkyl dimethylsilylpropyne polymers1994
Process for the preparation of 1-monoalkyl dimethylsilylpropyne polymers1994
Artificial neural function circuit having organic thin film elements1993