1
Clarence C Lee: Method and device for long-term delivery of drugs. C R Bard, Jones & Askew, May 13, 1997: US05629008 (168 worldwide citation)

The present invention is an implantable device that is capable of delivering a therapeutic agent to a tissue or organ over a long period of time. The implantable device is especially suited for treating tissues and organs that are comprised of smooth muscle. The implantable device can deliver either ...


2
John W Vanderhoff, Cheng Xun Lu, Clarence C Lee, Chi Chun Tsai: Process for the preparation of aqueous dispersions of particles of water-soluble polymers and the particles obtained. C R Bard, Lehigh University, Kilpatrick Stockton, April 8, 2003: US06544503 (133 worldwide citation)

The invention is a process for the preparation of crosslinked water-swellable polymer particles. First, an aqueous polymer solution containing a water-soluble polymer having at least one functional group or charge, is combined with aqueous medium. The aqueous polymer solution is then mixed under mod ...


3
John W Vanderhoff, Cheng Xun Lu, Clarence C Lee, Chi Chun Tsai: Process for the preparation of aqueous dispersions of particles of water-soluble polymers and the particles obtained. C R Bard, Lehigh University, Kilpatrick Stockton, April 10, 2001: US06214331 (87 worldwide citation)

The invention is a process for the preparation of crosslinked water-swellable polymer particles. First, an aqueous polymer solution containing a water-soluble polymer having at least one functional group or charge, is combined with aqueous medium. The aqueous polymer solution is then mixed under mod ...


4
Clarence C Lee: Coating medical devices with cationic antibiotics. C R Bard, January 23, 1990: US04895566 (66 worldwide citation)

A medical device having long-lasting bactericidal properties and a method for making the same is provided. The material from which the medical device is made, the substrate, carries a negatively-charged group having a pKa of less than 6. A cationic antibiotic is ionically bonded to the negatively-ch ...


5
Clarence C Lee: Urine drainage bag outlet with barrier against microbial infection. C R Bard, Kane Dalsimer Kane Sullivan and Kurucz, February 9, 1988: US04723950 (64 worldwide citation)

A urine drainage bag having an outlet tube housing a microcidal tube is disclosed. The microcidal tube is manufactured from polymeric materials capable of absorbing and releasing antimicrobial substances in a controllable sustained time release mechanism, activated upon contact with droplets of urin ...


6
Clarence C Lee: Injectable medical composition and method of use. C R Bard, Jones & Askew, June 17, 1997: US05639796 (48 worldwide citation)

The present invention is an injectable medical composition useful for replacing natural lubricating fluids in the body of humans or animals. The method and composition can be used for the treatment of joints and other parts of the body wherein natural lubrication between surfaces is deficient or whe ...


7
Clarence C Lee: Composition and method for revitalizing scar tissue. C R Bard, Jones & Askew, November 11, 1997: US05686425 (33 worldwide citation)

A composition and method are provided that are effective in revitalizing scar tissue by introducing a bioactive substance having angiogenic activity into the scar tissue. The bioactive substance can be introduced by itself, or it can be introduced into the scar tissue in a timed release form. The pr ...


8
Clarence C Lee: Composition and method for revitalizing scar tissue. C R Bard, Jones & Askew, June 9, 1998: US05763399 (30 worldwide citation)

A composition and method are provided that are effective in revitalizing scar tissue by introducing a bioactive substance having angiogenic activity into the scar tissue. The bioactive substance can be introduced by itself, or it can be introduced into the scar tissue in a timed release form. The pr ...


9
Clarence C Lee: Compositions and method for revitalizing scar tissue. C R Bard, Jones & Askew, April 14, 1998: US05739113 (25 worldwide citation)

A composition and method are provided that are effective in revitalizing scar tissue by introducing a bioactive substance having angiogenic activity into the scar tissue. The bioactive substance can be introduced by itself, or it can be introduced into the scar tissue in a timed release form. The pr ...


10
Clarence C Lee: Injectable medical device and method of use. C R Bard, Jones & Askew, March 31, 1998: US05733562 (11 worldwide citation)

The present invention is an injectable medical device useful for replacing natural lubricating fluids in the body of humans or animals. The method and composition can be used for the treatment of joints and other parts of the body wherein natural lubrication between surfaces is deficient or where ad ...