Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ammonia removal from mammalian cell cultures

Ammonia removal from mammalian cell cultures

US Patent 5071561 · Granted Dec 10, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Melt-spun polysulfone semipermeable membranes and methods for making the same2005
Object-oriented framework for chemical-process-development decision-support appl2003
Melt-spun polysulfone semipermeable membranes and methods for making the same2001
Process for making a medical device from a cellulose acetate hollow fiber semipe1999
Osmotic devices having vapor-permeable coatings1998
Process for resolving chiral acids with 1-aminoindan-2-ols1997
Process of making a cellulose acetate semipermeable membrane1997
Supported liquid membrane delivery devices1997
Enantiomeric enrichment of cyanohydrins1996
Hydrophilic polyvinylidene fluoride membranes1995
Enzymatic membrane method for the synthesis and separation of peptides1994
Membrane extraction of citrus bittering agents1993