Patent US2772316A successfully refreshed from Google Patents.
US2772316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of odorless and odorstable mineral oil
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-03-02
•
Granted: 1956-11-27
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Schneider Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:03
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/02; C10G17/04; C10G17/06; C10G2400/00; C10G2400/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
PROCESS OF MANUFACTURING SUBSTANTIALLY ODORLESS AND ODOR-STABLE MINERAL OILS WHICH COMPRISES ALKYLATING A LOW-BOILING ISOPARAFFIN HYDROCARBON WITH A LOW-BOILING OLEFIN HYDROCARBON, FRACTIONATING THE RESULTING ALKYLATE INTO A PLURALITY OF FRACTIONS INCLUDING A FRACTION BOILING WITHIN THE RANGE OF ABOUT 330* F. TO 550* F., ACID-TREATING SAID FRACTION WITH CONCENTRATED SULFURIC ACID, NEUTRALIZING THE ACID-TREATED FRACTION WITH AN ALKALI, AND WASHING THE NEUTRALIZED FRACTION WITH AN AQUEOUS ALIPHATIC ALCOHOL.
Claim 2
Dependent Claim
68 words
PROCESS OF MANUFACTURING SUBSTANTIALLY ODORLESS AND ODOR-STABLE MINERAL OILS WHICH COMPRISES ALKYLATING A LOW-BOILING ISOPARAFFIN HYDROCARBON WITH A LOW-BOILING OLEFIN HYDROCARBON, FRACTIONATING THE RESULTING ALKYLATE INTO A PLURALITY OF FRACTIONS INCLUDING A FRACTION BOILING WITHIN THE RANGE OF ABOUT 330* F. TO 550* F., ACID-TREATING SAID FRACTION WITH CONCENTRATED SULFURIC ACID, NEUTRALIZING THE ACID-TREATED FRACTION WITH AN ALKALI, AND WASHING THE NEUTRALIZED FRACTION WITH AN AQUEOUS ALIPHATIC ALCOHOL.
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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |