Last Updated: November 8, 2026

Details for Patent: 3,860,618

Name: Drug Patent Intelligence for US Patent 3860618
Creator: DrugPatentWatch
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Summary for Patent: 3,860,618

Title:	Chromone
Abstract:	There is provided sodium chromoglycate of particle size 0.01 to 10 microns suitable for use in inhalation compositions for the treatment of allergic asthma.
Inventor(s):	Philip Saxton Hartley, Stephen Raymond Gunning
Assignee:	Individual
Application Number:	US158059A
Patent Claim Types: see list of patent claims

Drugs Protected by US Patent 3,860,618

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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: 3,860,618

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	36270/67	Aug 8, 1967

International Family Members for US Patent 3,860,618

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Belgium	718846	⤷ Start Trial
Canada	946280	⤷ Start Trial
Germany	1792207	⤷ Start Trial
Germany	1792799	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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