1
John M Pawelchak, Yu Chang J Wang, Anthony L LaVia: Lyophilized hydrocolloio foam. E R Squibb & Sons, Lawrence S Levinson, Stephen B Davis, October 6, 1981: US04292972 (180 worldwide citation)

A lyophilized foam sponge product having medically useful hemostatic and adhesive properties formed from the hydrocolloids, gelatin, pectin, and sodium carboxymethylcellulose and having a density of from about 0.01 to about 0.10 grams/cc. The gelatin is present at from about 20% to about 80% by weig ...


2
Yu chang J Wang, William A Lee, Blair Narog: Composition and method for administration of pharmaceutically active substances. California Biotechnology, Irell & Manella, April 30, 1991: US05011678 (108 worldwide citation)

Pharmaceutically active substances are administered in aerosol form by applying to a mucosal surface of the body a composition comprising a medically effective amount of a pharmaceutically active substance, a biocompatible amphiphilac steroid and a bicompatible (hydro/fluoro)carbon propellant.


3
Yu Chang J Wang, Dursch Friedrich, Richard L O Laughlin, Thaddeus Prusik: Steroid monohydrates, formulations containing same and method. E R Squibb & Sons, Lawrence S Levinson, Burton Rodney, July 5, 1983: US04391755 (10 worldwide citation)

A monohydrate of a steroid having the structure ##STR1## and the 1,2-dehydro derivatives thereof, is provided which monohydrate is in the form of a particulate material having a stable average particle size of less than about 20 microns. Cream and lotion formulations containing the steroid monohydra ...


4
John A Hill, Yu chang J Wang, Thomas M Wong: Corticosteroid formulations containing sebacate carrier. E R Squibb & Sons, Lawrence S Levinson, Burton Rodney, November 11, 1980: US04233295 (9 worldwide citation)

Corticosteroid formulations in the form of creams, lotions or ointments are provided which are used as anti-inflammatory agents, wherein the corticosteroid, such as halcinonide (21-chloro-9-fluoro-11.beta.-hydroxy-16.alpha.,17-[(1-methylethylidene)-bi s(oxy)]pregn-4-ene-3,20-dione) is dissolved in a ...


5
Yu Chang J Wang, Friedrich Dursch, Richard L O Laughlin, Thaddeus Prusik: Steroid monohydrates, formulations containing same and method. E R Squibb & Sons, Lawrence S Levinson, Burton Rodney, May 8, 1984: US04447426 (6 worldwide citation)

A monohydrate of a steroid having the structure ##STR1## and the 1,2-dehydro derivatives thereof, is provided which monohydrate is in the form of a particulate material having a stable average particle size of less than about 20 microns. Cream and lotion formulations containing the steroid monohydra ...


6
Yu chang J Wang, Thomas M Wong: Corticosteroid stick formulations. E R Squibb & Sons, Lawrence S Levinson, Burton Rodney, November 10, 1981: US04299828 (4 worldwide citation)

Corticosteroid formulations in the form of a lipophilic stick are provided which are used as anti-inflammatory agents; the lipophilic stick includes the corticosteroid, such as halcinonide or triamcinolone acetonide, dissolved in an oleaginous solvent which is miscible with the other stick ingredien ...