Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Filter comprising a material obtained by freeze-drying, method of preparation and use especially in pharmacy

Filter comprising a material obtained by freeze-drying, method of preparation and use especially in pharmacy

US Patent 4883507 · Granted Nov 28, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

[.alpha.-tert.butyl aminomethyl)-3,4-dichlorobenzyl] thioacetamide, a procedure 1997
Aminoalkyl thienyl ketone derivatives and their use as peripheral vasodilators1995
Method for treating and protecting the cerebral tissue against repercussions of 1995
Fluid detection device1994
Derivatives of 1,4-dihydropyridine, their preparation procedure and therapeutic 1993
Method for treating depression using 1-(aminophenyl)-2-aminopropanone derivative1993
Method for providing a neuroprotective effect1993
1-(4-aminophenyl)-2-piperidinopropanone derivatives, preparation process and use1992
1-(4-aminophenyl)-2-hexamethyleniminopropanone, and their use in therapy1991
1-(aminophenyl)-2-aminopropanone derivatives1990
1-(acetylaminophenyl)-2-aminopropanone derivatives and pharmaceutical compositio1990
1-aminophenyl-2-dimethylaminopropanone derivatives, method of preparation and us1990