Details for Patent: 7,316,067

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Summary for Patent: 7,316,067

Patent landscape, scope, and claims:

Title:	Forming a perforate membrane by laser drilling and a subsequent electro-polishing step
Abstract:	A method of forming a perforate membrane (1) is disclosed for use in a liquid transport device. The membrane has at least plural nozzles (10) formed therethrough. Each of those nozzles has a throat portion (12) opening at opposite end through opposite surface (2') of the perforate membrane and a smoothly curved outwardly diverging portion (11) extending from the first end of the throat portion to the first surface (2) of the perforate membrane. Laser energy is applied selectively to the first surface (2) of the membrane in the form of a pulsed, focused beam to form the nozzles (10) and thereafter the first surface (2) of the membrane and the surface of the diverging portion (11) of the nozzles (10) are electro-polished to remove surface imperfections. The electro-polishing is controlled so as to remove material from the surface of the diverging portion (11) of the nozzles to a depth less than the length of the throat portion (12).
Inventor(s):	Blakey; David Mark (Herts, GB)
Assignee:	The Technology Partnership (Melbourn Royston, Hertz, GB)
Application Number:	10/489,327
Patent Claim Types: see list of patent claims	Use; Device;
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Drugs Protected by US Patent 7,316,067

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 7,316,067

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
	01308106	Sep 24, 2001

PCT Information
PCT Filed	September 06, 2002	PCT Application Number:	PCT/GB02/04093
PCT Publication Date:	April 03, 2003	PCT Publication Number:	WO03/026832

International Family Members for US Patent 7,316,067

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Germany	60231995	⤷ Subscribe
European Patent Office	1295647	⤷ Subscribe
European Patent Office	1429888	⤷ Subscribe
Japan	2005503266	⤷ Subscribe
Japan	4176016	⤷ Subscribe
World Intellectual Property Organization (WIPO)	03026832	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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