US Patent

US7365205 — Diamine derivatives

Composition of Matter · Assigned to Daiichi Sankyo Co Ltd · Expires 2027-04-18 · 1y remaining

Vulnerability score 22/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects a class of diamine derivatives, specifically compounds represented by the general formula Q1-Q2-T0-N(R1)-Q3-N(R2)-T1-Q4.

USPTO Abstract

A compound represented by the general formula (1): <?in-line-formulae description="In-line Formulae" end="lead"?>Q<SUP>1</SUP>-Q<SUP>2</SUP>-T<SUP>0</SUP>-N(R<SUP>1</SUP>)-Q<SUP>3</SUP>-N(R<SUP>2</SUP>)-T<SUP>1</SUP>-Q<SUP>4</SUP> (1)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein R<SUP>1 </SUP>and R<SUP>2 </SUP>are hydrogen atoms or the like; Q<SUP>1 </SUP>is a saturated or unsaturated, 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like; Q<SUP>2 </SUP>is a single bond or the like; Q<SUP>3 </SUP>is a group in which Q<SUP>5 </SUP>is an alkylene group having 1 to 8 carbon atoms, or the like; and T<SUP>0 </SUP>and T<SUP>1 </SUP>are carbonyl groups or the like; a salt thereof, a solvate thereof, or an N-oxide thereof. The compound is useful as an agent for preventing and/or treating cerebral infarction, cerebral embolism, myocardial infarction, angina pectoris, pulmonary infarction, pulmonary embolism, Buerger's disease, deep venous thrombosis, disseminated intravascular coagulation syndrome, thrombus formation after valve or joint replacement, thrombus formation and reocclusion after angioplasty, systemic inflammatory response syndrome (SIRS), multiple organ dysfunction syndrome (MODS), thrombus formation during extracorporeal circulation, or blood clotting upon blood drawing.

Drugs covered by this patent

Patent Metadata

Patent number
US7365205
Jurisdiction
US
Classification
Composition of Matter
Expires
2027-04-18
Drug substance claim
Yes
Drug product claim
No
Assignee
Daiichi Sankyo Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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