US2982692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dewaxing of oils
Assignee: Individual
•
Filing: 1957-06-26
•
Granted: 1961-05-02
•
Expires: 1977-06-26
Abstract
No abstract record available.
Inventors
- 👤 Hardin B Mcdill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:42
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/02; C11; C11B; C11B3/00; C11B3/003; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/94; Y10S435/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS OF TREATING AN OIL CONTAINING AT LEAST ONE WAX THEREIN COMPRISING ADDING LIVING SACCHAROMYCES CEREVISIAE YEAST, PEPTASE IN ADDITION TO ANY PEPTASE IN THE YEAST AND A CARBOHYDRATE THE YEAST WILL ACCEPT AS FOOD THERETO CAUSE A PHYSICAL SEPARATION OF AT LEAST A PORTION OF THE WAX FROM THE OIL.
Claim 2
Dependent Claim
52 words
A PROCESS OF TREATING AN OIL CONTAINING AT LEAST ONE WAX THEREIN COMPRISING ADDING LIVING SACCHAROMYCES CEREVISIAE YEAST, PEPTASE IN ADDITION TO ANY PEPTASE IN THE YEAST AND A CARBOHYDRATE THE YEAST WILL ACCEPT AS FOOD THERETO CAUSE A PHYSICAL SEPARATION OF AT LEAST A PORTION OF THE WAX FROM THE OIL.
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |