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Inventor

Sau-Hung Spence Leung

Inventor
Parsippany, NJ, US

Overview

10→
Patents
1990–2011
Patent span
Human necessities
Primary field (CPC A)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes29%
A61QSpecific use of cosmetics or similar toiletry preparations26%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
A23GCocoa17%
A61FFilters implantable into blood vessels3%
A61MDevices for introducing media into, or onto, the body3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
7,867,509'Fast dissolving orally consumable films'20117,491,406'Fast dissolving orally consumable films'20097,407,669'Fast dissolving orally consumable films'20087,025,983'Fast dissolving orally consumable films'20066,923,981'Fast dissolving orally consumable films'20056,596,298'Fast dissolving orally comsumable films'20036,348,187'Peroxide/essential oils containing mouthwash compositions and two-part mouthwash systems'20025,658,956'Bioadhesive-wound healing compositions and methods for preparing and using same'19975,047,244'Mucoadhesive carrier for delivery of therapeutical agent'19914,900,552'Mucoadhesive buccal dosage forms'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to WATSON LAB INC (2)· patent assignee history
1990–1991Based in Corona, CA, US· patent location history
1997–2006Patents assigned to WARNER LAMBERT CO (5)· patent assignee history
1997–2011Based in Parsippany, NJ, US· patent location history
2008–2009Patents assigned to MCNEIL PPC INC (2)· patent assignee history
2011Patents assigned to KULKARNI NEEMA (1)· patent assignee history
2011Patents assigned to KUMAR LORI D (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WARNER LAMBERT CO51997–2006
MCNEIL PPC INC22008–2009
WATSON LAB INC21990–1991
KULKARNI NEEMA12011
KUMAR LORI D12011
Locations
LocationPatentsSpan
Parsippany, New Jersey, US81997–2011
Corona, California, US21990–1991