Patent US2701782A successfully refreshed from Google Patents.
US2701782A
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Method of making and aqueous suspension of methyl cellulose
Assignee: Pharmacia and Upjohn Co
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Filing: 1951-05-11
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Granted: 1955-02-08
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Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Culter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1545; A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095; C08B; C08B11/00; C08B11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A WATER SUSPENSION OF METHYL CELLULOSE COMPRISING:
Claim 2
Dependent Claim
10 words
THE PRODUCT OF CLAIM 9 CONTAINING IN ADDITION A PURGATIVE.
References Cited (Backward Citations)
GB376796A
Cited
GB430960A
Cited
GB468769A
Cited
US2085733A
Cited
US2362761A
Cited
US2350161A
Cited
US2410110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |