US3017668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing pearls
Assignee: Medica Oy AB
•
Filing: 1959-03-27
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Granted: 1962-01-23
•
Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 Sundman Knut Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1658; A61K9/1682; A61K9/1694; Y; Y02; Y02A; Y02A50/00; Y02A50/30; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A METHOD OF PREPARING HOMOGENOUS MEDICATED PEARLS WHICH COMPRISES, DISPERSING A PREDETERMINED QUANTITY OF A MEDICINAL PREPARATION IN A SOLUTION OF A GELABLE COLLOID, ADDING SAID DISPERSION FROM AN ORIFICE BY DROPS INTO A CONGEALING LIQUID, MOMENTARILY RETAINING SAID DROPS JUST BELOW THE SURFACE OF SAID LIQUID AFTER SEPARATION OF SAID DROPS FROM SAID ORIFICE AND CONGEALING SAID DROPS AS THEY SINK IN SAID LIQUID TO FORM PEARLS WITH SAID MEDICINE DISPERSED THERETHROUGH.
Claim 2
Independent Claim
73 words
A METHOD OF PREPARING HOMOGENOUS MEDICATED PEARLS WHICH COMPRISES, DISPERSING A PREDETERMINED QUANTITY OF A MEDICINAL PREPARATION IN A SOLUTION OF A GELABLE COLLOID, ADDING SAID DISPERSION FROM AN ORIFICE BY DROPS INTO A CONGEALING LIQUID, MOMENTARILY RETAINING SAID DROPS JUST BELOW THE SURFACE OF SAID LIQUID AFTER SEPARATION OF SAID DROPS FROM SAID ORIFICE AND CONGEALING SAID DROPS AS THEY SINK IN SAID LIQUID TO FORM PEARLS WITH SAID MEDICINE DISPERSED THERETHROUGH.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |