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Last Updated: April 19, 2024

Details for Patent: 4,366,310

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Summary for Patent: 4,366,310

Title:	Controlled release compositions
Abstract:	Molecular coordination complexes are formed between a cellulose polymer and a non-polar solid aliphatic alcohol containing 8 to 18 carbon atoms optionally substituted with an aliphatic group containing 8 to 18 carbon atoms by solvating the polymer with a volatile polar solvent and reacting the solvated cellulose polymer directly with the aliphatic alcohol, preferably as a melt. The resulting composition may be dried. This constitutes the complex. The composition has utility as a matrix in controlled release formulations since it has a uniform porosity which may be varied.
Inventor(s):	Leslie; Stewart T. (Aberdeen, GB6)
Assignee:	Euroceltique, S.A. (LU)
Application Number:	06/214,625
Patent Claim Types: see list of patent claims	Composition;

Drugs Protected by US Patent 4,366,310

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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: 4,366,310

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Ireland	2480/79	Dec 19, 1979
Ireland	2481/79	Dec 19, 1979

International Family Members for US Patent 4,366,310

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	13251	⤷ Try a Trial
Australia	541246	⤷ Try a Trial
Australia	6529880	⤷ Try a Trial
Belgium	886711	⤷ Try a Trial
Canada	1168230	⤷ Try a Trial
Czechoslovakia	228142	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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