US2975099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene glycol suppository bases
Assignee: Pharmacia and Upjohn Co
•
Filing: 1958-06-25
•
Granted: 1961-03-14
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jere E Goyan
- 👤 Wruble Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:56
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/02; Y; Y10; Y10S; Y10S424/00; Y10S424/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PHARMACEUTICAL PREPARATION SUITABLE FOR SHAPING BY EXTRUSION-MOLDING AND COMPRISING A POLYETHYLENE GLYCOL OF THE FORMULA H(OCH2CH2)NOH HAVING A MOLECULAR WEIGHT OF FROM ABOUT 4000 TO ABOUT 6000; A LIQUID POLYETHYLENE GLYCOL OF THE FORMULA H(OCH2CH2)NOH HAVING A MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 600; A MEMBER SELECTED FROM THE GROUP CONSISTING OF SOLID POLYOXYETHYLENE SORBITAN MONOSTEARATE AND POLYOXYETHYLENE SORBITAN TRISTERATE; SPERMACETI; A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ETHYLENE OXIDEPOLYPROPYLENE GLYCOL CONDENSATION PRODUCT OF THE FORMULA HO(C2H4O) (C3H6O) (C2H4O)H WITH A POLYPROPYLENEBASE MOLECULAR WEIGHT OF ABOUT 1750 AND A TOTAL MOLECULAR WEIGHT OF ABOUT 8750, POLYOXYETHYLENE PALMITATE AND A SOLID POLYOXYETHYLENE STEARATE HAVING A HYDROPHILELYPOPHILE-BALANCE VALUE OF FROM ABOUT 16 TO 18, AND A NON-TOXIC, SUBSTANTIALLY DRY ADJUVANT MIXTURE OF WHICH BETWEEN ABOUT EIGHTY AND ABOUT NINETY PERCENT BY WEIGHT IS WATER-SOLUBLE.
Claim 2
Dependent Claim
137 words
A PHARMACEUTICAL PREPARATION SUITABLE FOR SHAPING BY EXTRUSION-MOLDING AND COMPRISING A POLYETHYLENE GLYCOL OF THE FORMULA H(OCH2CH2)NOH HAVING A MOLECULAR WEIGHT OF FROM ABOUT 4000 TO ABOUT 6000; A LIQUID POLYETHYLENE GLYCOL OF THE FORMULA H(OCH2CH2)NOH HAVING A MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 600; A MEMBER SELECTED FROM THE GROUP CONSISTING OF SOLID POLYOXYETHYLENE SORBITAN MONOSTEARATE AND POLYOXYETHYLENE SORBITAN TRISTERATE; SPERMACETI; A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ETHYLENE OXIDEPOLYPROPYLENE GLYCOL CONDENSATION PRODUCT OF THE FORMULA HO(C2H4O) (C3H6O) (C2H4O)H WITH A POLYPROPYLENEBASE MOLECULAR WEIGHT OF ABOUT 1750 AND A TOTAL MOLECULAR WEIGHT OF ABOUT 8750, POLYOXYETHYLENE PALMITATE AND A SOLID POLYOXYETHYLENE STEARATE HAVING A HYDROPHILELYPOPHILE-BALANCE VALUE OF FROM ABOUT 16 TO 18, AND A NON-TOXIC, SUBSTANTIALLY DRY ADJUVANT MIXTURE OF WHICH BETWEEN ABOUT EIGHTY AND ABOUT NINETY PERCENT BY WEIGHT IS WATER-SOLUBLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |