US3337595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fatty acid esters of polyoxypropylated glycerol
Assignee: ChampionX LLC
•
Filing: 1965-03-04
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Granted: 1967-08-22
•
Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 William A Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:44
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
AN ESTER OF POLYOXY-1,2-PROPYLATED GLYCEROL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 600-1,000 AND AN ALIPHATIC MONOCARBOXYLIC ACID HAVING 12-22 CARBONS.
Claim 2
Dependent Claim
22 words
AN ESTER OF POLYOXY-1,2-PROPYLATED GLYCEROL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 600-1,000 AND AN ALIPHATIC MONOCARBOXYLIC ACID HAVING 12-22 CARBONS.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |