Patent US3185625A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3185625A Expired / Lapsed US ⏱️ 0.0 years remaining

Injectionable substances

Assignee: Individual
•
Filing: 1961-11-08
•
Granted: 1965-05-25
•
Expires: 1981-11-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Brown Ethan Allan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:33
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/48; A61K9/50; A61K9/51; A61K9/5107; A61K9/513; A61K9/5161

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 43 words
A COMPOSITION OF MATTER COMPRISING AN OIL SUSPENSION OF FINELY DIVIDED MICRO-PARTICLES HAVING AN ACTIVE DRUG ADSORBED THEREON AND ENCAPSULATED IN A FILM FORMING SUBSTANCE, SAID FILM FORMING SUBSTANCE AND MICROPARTICLES BEING CAPABLE OF BEING ASSIMILATED BY A LIVING BEING WITHOUT HARMFUL EFFECTS.
Claim 2
Dependent Claim 43 words
A COMPOSITION OF MATTER COMPRISING AN OIL SUSPENSION OF FINELY DIVIDED MICRO-PARTICLES HAVING AN ACTIVE DRUG ADSORBED THEREON AND ENCAPSULATED IN A FILM FORMING SUBSTANCE, SAID FILM FORMING SUBSTANCE AND MICROPARTICLES BEING CAPABLE OF BEING ASSIMILATED BY A LIVING BEING WITHOUT HARMFUL EFFECTS.

References Cited (Backward Citations)

US1791878A Cited
US2530480A Cited
US2807569A Cited
US2768112A Cited
US2921883A Cited
US3096249A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-24 1968-11-23 1969-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-24 1972-11-23 1973-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-24 1976-11-23 1977-05-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag