Details for Patent: 5,540,918

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Summary for Patent: 5,540,918

Patent landscape, scope, and claims:

Title:	Use of certain anionic surfactants to enhance antimicrobial effectiveness of ophthalmic compositions
Abstract:	Certain anionic surfactants are used to enhance antimicrobial effectiveness in comfortable, sustained release ophthalmic compositions containing polyelectrolytes, such as carboxyvinyl polymers, polystyrene sulfonic acid polymers and cationic exchange resins, as well as at least one active ingredient.
Inventor(s):	Castillo; Ernesto J. (Arlington, TX), Ali; Yusuf (Fort Worth, TX)
Assignee:	Alcon Laboratories, Inc. (Ft. Worth, TX)
Application Number:	08/472,446
Patent Claim Types: see list of patent claims	Composition; Compound;
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Drugs Protected by US Patent 5,540,918

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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

International Family Members for US Patent 5,540,918

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	160503	⤷ Subscribe
Australia	4440193	⤷ Subscribe
Australia	666957	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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