Flexible Flat-Rate Plans

Flat-rate pricing for predictable budgeting

Short-term plans for project- or client-based billing

► Plans and Pricing

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

DrugPatentWatch Database Preview

Claims for Patent: 4,026,894

« Back to Dashboard

Claims for Patent: 4,026,894

Title: Antihypertensive agents
Abstract:Described are antihypertensive agents selected from the class consisting of 2[4(tetrahydro-2-furoyl)-piperazino]-4-amino-6,7-dimethoxyquinazoline and 2-[4(tetrahydropyran-2-carbonyl)-piperazinyl]-4-amino-6,7-dimethoxyquinazo line, and pharmaceutically acceptable acid addition salts thereof. The compounds are highly water soluble and can be administered in time release form as well as parenterally, including intravenously.
Inventor(s): Winn; Martin (Deerfield, IL), Kyncl; Jaroslav (Lake Bluff, IL), Dunnigan; Daniel Ambrose (Winthrop Harbor, IL), Jones; Peter Hadley (Lake Forest, IL)
Assignee: Abbott Laboratories (North Chicago, IL)
Application Number:05/621,980
Patent Claims: 1. A compound selected from the group consisting of 2-[4(tetrahydro-2-furoyl)-piperazino]-4-amino-6,7-dimethoxyquinazoline and 2-[4(tetrahydropyran-2-carbonyl)piperazinyl]-4-amino-6,7-dimethoxyquinazol ine and pharmaceutically acceptable acid addition salts thereof.

2. A compound in accordance with Claim 1: 2-[4(tetrahydro-2-furoyl)-piperazino]-4-amino-6,7-dimethoxyquinazoline hydrochloride.

3. A compound in accordance with Claim 1: 2-[4(tetrahydropyran-2-carbonyl)piperazinyl]-4-amino-6,7-dimethoxyquinazol ine hydrochloride.
« Back to Dashboard

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

How are People Using DrugPatentWatch?

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.