← Back to Patent Explorer
US2520015A Expired / Lapsed US ⏱️ 0.0 years remaining

Acid addition salts of 1-cyclopentyl-2-methyl-amino propane compounds and vasoconstrictor compositions thereof

Assignee: Eli Lilly and Co
•
Filing: 1948-01-05
•
Granted: 1950-08-22
•
Expires: 1968-01-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rohrmann Ewald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 05:21
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/14; A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; A61K31/137

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 23 words
A COMPOSITION COMPRISING A MEMBER OF THE GROUP CONSISTING OF 1-CYCLOPENTYL-2-METHYLAMINOPROPANE AND ACID ADDITION SALTS THEREOF, DISPERSED IN A PHYSIOLOGICALLY COMPATIBLE EXTENDING MEDIUM.
Claim 2
Dependent Claim 23 words
A COMPOSITION COMPRISING A MEMBER OF THE GROUP CONSISTING OF 1-CYCLOPENTYL-2-METHYLAMINOPROPANE AND ACID ADDITION SALTS THEREOF, DISPERSED IN A PHYSIOLOGICALLY COMPATIBLE EXTENDING MEDIUM.
Claim 3
Dependent Claim 5 words
ACID ADDITION SALTS OF 1-CYCLOPENTYL-2METHYLAMINOPROPANE.
Claim 4
Dependent Claim 5 words
ACID ADDITION SALTS OF 1-CYCLOPENTYL-2METHYLAMINOPROPANE.

References Cited (Backward Citations)

US2369711A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-08-21 1954-02-20 1954-08-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-08-21 1958-02-20 1958-08-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-08-21 1962-02-20 1962-08-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag