BioPharmaceutical Business Intelligence

  • Identify first generic entrants
  • Uncover prior art in expired and abandoned patents
  • Drug patents in 130+ countries

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Express Scripts
Federal Trade Commission
Farmers Insurance
Johnson and Johnson

Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,994,278

« Back to Dashboard

Summary for Patent: 4,994,278

Title: Breathable backing
Abstract:A composition comprising a flexible backing for a transdermal drug preparation with a water vapor transmission rate about equal to or in excess of that of ethylene vinyl alcohol copolymer, namely equal to or in excess of, at one mil thickness, of about 2 to 4 grams and more preferably in excess of 6 grams per 24 hours per 100 square inches at 40.degree. C. and 90% relative humidity and an oxygen transmission rate equal to or less than ethylene vinyl alcohol copolymer, namely at one mil thickness equal to or less than about 0.01 to 0.1 cubic centimeters per 100 square inches measured over 24 hours at 1 atmospheric pressure, 20.degree. C. and 65% relative humidity.
Inventor(s): Sablotsky; Steven (Miami, FL), Gentile; Cheryl M. (Plantation, FL)
Assignee: Noven Pharmaceuticals, Inc. (Miami, FL)
Application Number:07/295,788
Patent Claim Types:
see list of patent claims

No matches for this query

International Patent Family for Patent: 4,994,278

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2044132► Subscribe
Canada1338660► Subscribe
Canada2025033► Subscribe
Brazil9506470► Subscribe
Canada2044170► Subscribe
Canada2104474► Subscribe
Canada2109099► Subscribe
Canada2110914► Subscribe
Canada2126366► Subscribe
Canada2170504► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the plans and pricing

Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Fish and Richardson

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

Copyright 2002-2017 thinkBiotech LLC
ISSN: 2162-2639

Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions

Follow DrugPatentWatch: