Details for Patent: 4,567,182

Summary for Patent: 4,567,182

Title:	Compounds endowed with immunomodulating activity
Abstract:	The invention relates to a series of purine derivatives of formula (I) ##STR1## wherein R is hydrogen or NH2, n is an integer from 1 to 6, R1 is one of the following chains: ##STR2## wherein R2 is the residue of an aminoacid, R3 is hydrogen or the residue of an oligopeptide and R4 is OH or the residue of an oligopeptide.
Inventor(s):	Paolo C. Ferraris
Assignee:	CO PHARMA CORPORPORATION Srl , Sigma Tau Industrie Farmaceutiche Riunite SpA
Application Number:	US06/418,189
Patent Claim Types: see list of patent claims	Composition; Compound;

Drugs Protected by US Patent 4,567,182

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: 4,567,182

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Italy	24120 A/81	Sep 24, 1981
Italy	22848 A/82	Aug 13, 1982

International Family Members for US Patent 4,567,182

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0077460		SPC/GB95/020	United Kingdom
European Patent Office	0077460		97C0035	Belgium
Austria	22892
Australia	564576
Australia	8808082
Canada	1258149