Yiping Ping Wang

Author:

Yiping Wang

ISBN #:

0929851110

US Patent:

8596859, Dec 3, 2013

Filed:

Nov 6, 2008

Appl. No.:

12/734404

Inventors:

Yiping Wang - Howell NJ, US
William S. Wei - Belle Meade NJ, US
Daniel W. Frank - Broomall PA, US

Assignee:

Nexmed Holdings, Inc. - San Diego CA

International Classification:

B01F 5/08

US Classification:

3661763, 366267

Abstract:

Mixing devices and systems are disclosed for storing separate components and for mixing and dispensing those components on demand. A mixing device includes a syringe having a generally tubular housing formed with a mixing chamber. A plunger is fitted to the tubular housing to form a first syringe. A dispensing syringe is releasably connected to the mixing chamber. At this point each syringe holds a desired amount of a mixture component. The contents of one syringe are passed through the mixing chamber to the other syringe, forming a usually incomplete mixture. The mixture is then passed through the mixing chamber to the other syringe. Multiple passes through the mixing chamber are continued until the desired mixing result is achieved, and the mixture material is contained in the second syringe that is used to thereafter dispense desired amounts of the mixture.

US Patent:

20110237558, Sep 29, 2011

Filed:

Oct 2, 2009

Appl. No.:

12/998261

Inventors:

William Shifeng - Belle Mead NJ, US
Yiping Wang - Howell NJ, US
Jianzhen Pan - Monroe NJ, US
Sung Hi Jo - Philadelphia PA, US

International Classification:

A61K 31/59
A61P 17/06

US Classification:

514168, 514167

Abstract:

A storage stable ointment of the present invention comprises a vitamin D compound, a corticosteroid, and an N,N-di(C-C)alkylamino substituted, (C-C)alkyl(C-C)carboxylic ester a (C-C)-alkyl(C-C)carboxylic ester in a petrolatum ointment base, and optionally containing mineral oil and/or tocopherol. Preferably, the vitamin D compound is calcipotriene, the corticosteroid is selected from the group consisting of clobetasol propionate and betamethasone dipropionate, and the N,N-di(C-C)alkylamino substituted, (C-C)alkyl(C-C) carboxylic ester comprises dodecyl 2-(N,N-dimethylamino)-propionate (DDAIP).

US Patent:

20160067266, Mar 10, 2016

Filed:

Nov 13, 2015

Appl. No.:

14/941390

Inventors:

- San Diego CA, US
Yiping WANG - Howell NJ, US
Jianzhen PAN - Monroe NJ, US
Sung Hi JO - Philadelphia PA, US

Assignee:

NEXMED HOLDINGS, INC. - San Diego CA

International Classification:

A61K 31/59
A61K 31/355
A61K 31/573

Abstract:

A storage stable ointment of the present invention comprises a vitamin D compound, a corticosteroid, and an N,N-di(C-C) alkylamino substituted, (C-C) alkyl (C-C) carboxylic ester a (C-C)-alkyl (C-C) carboxylic ester in a petrolatum ointment base, and optionally containing mineral oil and/or tocopherol. Preferably, the vitamin D compound is calcipotriene, the corticosteroid is selected from the group consisting of clobetasol propionate and betamethasone dipropionate, and the N,N-di(C-C) alkylamino substituted, (C-C) alkyl (C-C) carboxylic ester comprises dodecyl 2-(N,N-dimethylamino)-propionate (DDAIP).