|
DrugPatentWatch concentrates deep knowledge on more than 6,400 small-molecule drugs and 2,300 generic ingredients from 1,700 branded and generic pharmaceutical companies and 700 suppliers, and more than 4,400 active and expired US patents and 74,000 international patents spanning 93 countries and regional patent offices. |
Patent: 5,497,944
Summary for Patent: 5,497,944
| Title: | Atomising devices and methods |
| Abstract: | A metered dose inhaler for dispensing a fluid medicament as droplets of small mean particle size without the use of pressurized gas or liquefied propellants. A liquid drug is contained in a fluid reservoir, and metered quantities of the drug are successively presented into a reduced cross-section pressure chamber, with non-return valves controlling the flow of liquid through the device. The metered quantity of the drug is then subjected to a sudden and great increase in pressure by releasing a piston into the pressure chamber. The liquid drug is thereby ejected through an atomizing head, to reduce it to a fine atomized spray of small mean particle size, preferably less than approximately 12 micrometers. |
| Inventor(s): | Weston; Terence E. (Woodbridge, GB2), Dunne; Stephen T. (Shotley, GB2) |
| Assignee: | DMW (Technology) Limited (GB) |
| Application Number: | 07/938,174 |
| Patent Claim Types: see list of patent claims | Device; Use; Delivery; |
Glossary
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Type | RLD | Patent No. | Product | Substance | Delist_Flag | Patent Expiration | Patented / Exclusive Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Boehringer Ingelheim | COMBIVENT RESPIMAT | albuterol sulfate; ipratropium bromide | SPRAY, METERED; INHALATION | 021747 | Oct 7, 2011 | RX | Yes | 5,497,944 | Y | <disabled> | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| The preview shows a limited data set. Complete access is available with a Subscription | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Export unavailable in trial.
Subscribe for complete access.
Foreign Priority and PCT Information for Patent: 5,497,944
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| United Kingdom | 9006340 | Mar 21, 1990 |
| United Kingdom | 9023767 | Nov 01, 1990 |
| PCT Information | |||
| PCT Filed | March 21, 1991 | PCT Application Number: | PCT/GB91/00433 |
| PCT Publication Date: | October 03, 1991 | PCT Publication Number: | WO91/14468 |
International Patent Family for Patent: 5,497,944
| Country | Document Number | Publication Date | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Austria | 160947 | Dec 15, 1997 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Austria | 189413 | Feb 15, 2000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Australia | 650870 | Jul 07, 1994 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Australia | 7548491 | Oct 21, 1991 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| The preview shows a limited data set. Complete access is available with a Subscription | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Export unavailable in trial.
Subscribe for complete access.
« Back to Dashboard
DrugPatentWatch Archives
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 information. There is no warranty that the information contained herein is error free. 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.
Connect with Social Media:
Copyright © 2002-2013 thinkBiotech LLC. ISSN: 2162-2639
`abc
