US2756180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paraffin wax composition for paper coating and process of making same
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-06-12
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Granted: 1956-07-24
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Expires: 1972-06-12
Abstract
No abstract record available.
Inventors
- 👤 Stephen F Perry
- 👤 Herman J Zoeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:09
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
PROCESS FOR THE MANUFACTURE OF A WAX COMPOSITION SUITABLE AS A FIBROUS COATING MATERIAL WHICH COMPRISES REMOVING WAXY CONSTITUENTS FROM A WAXY PETROLEUM OIL, TREATING SAID WAXY CONSTITUENTS TO REDUCE THE OIL CONTENT TO BELOW ABOUT 0.5% AND TO PRODUCE A WAX FRACTION CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 320* F. TO ABOUT 585* F., AT 10 MM. MERCURY ABSOLUTE PRESSURE, SEGREGATING SAID WAX FRACTION INTO AN INITIAL AND INTO A SECONDARY STREAM, DISTILLING SAID INITIAL STREAM TO SEGREGATE AN INTERMEDIATE NARROW WAX CUT CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 480* F. TO 520* F. AT 10 MM. MERCURY ABSOLUTE PRESSURE, BLENDING SAID NARROW WAX CUT WITH SAID SECONDARY STREAM BOILING IN THE RANGE FROM ABOUT 320* F. TO 585* F. IN AN AMOUNT OF ABOUT 40% TO 60% BY WEIGHT BASED ON THE TOTAL OF THE FIRST AND SECOND WAXES.
Claim 2
Dependent Claim
149 words
PROCESS FOR THE MANUFACTURE OF A WAX COMPOSITION SUITABLE AS A FIBROUS COATING MATERIAL WHICH COMPRISES REMOVING WAXY CONSTITUENTS FROM A WAXY PETROLEUM OIL, TREATING SAID WAXY CONSTITUENTS TO REDUCE THE OIL CONTENT TO BELOW ABOUT 0.5% AND TO PRODUCE A WAX FRACTION CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 320* F. TO ABOUT 585* F., AT 10 MM. MERCURY ABSOLUTE PRESSURE, SEGREGATING SAID WAX FRACTION INTO AN INITIAL AND INTO A SECONDARY STREAM, DISTILLING SAID INITIAL STREAM TO SEGREGATE AN INTERMEDIATE NARROW WAX CUT CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 480* F. TO 520* F. AT 10 MM. MERCURY ABSOLUTE PRESSURE, BLENDING SAID NARROW WAX CUT WITH SAID SECONDARY STREAM BOILING IN THE RANGE FROM ABOUT 320* F. TO 585* F. IN AN AMOUNT OF ABOUT 40% TO 60% BY WEIGHT BASED ON THE TOTAL OF THE FIRST AND SECOND WAXES.
Claim 3
Dependent Claim
93 words
AN IMPROVED WAX COMPOSITION OF AN OIL CONTENT OF LESS THAN ABOUT 1% AND WHICH IS SUITABLE FOR THE COATING OF FIBROUS MATERIAL WHICH COMPRISES A FIRST REFINED PARAFFIN WAX CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 320* F. TO ABOUT 585* F. AT 10 MM. OF MERCURY ABSOLUTE PRESSURE AND A SECOND REFINED PARAFFIN WAX CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 480* F. TO ABOUT 520* F. AT 10 MM. OF MERCURY ABSOLUTE PRESSURE, THE AVERAGE MELTING POINTS OF SAID WAX CONSTITUENTS BEING SUBSTANTIALLY EQUAL.
Claim 4
Dependent Claim
93 words
AN IMPROVED WAX COMPOSITION OF AN OIL CONTENT OF LESS THAN ABOUT 1% AND WHICH IS SUITABLE FOR THE COATING OF FIBROUS MATERIAL WHICH COMPRISES A FIRST REFINED PARAFFIN WAX CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 320* F. TO ABOUT 585* F. AT 10 MM. OF MERCURY ABSOLUTE PRESSURE AND A SECOND REFINED PARAFFIN WAX CONSISTING ESSENTIALLY OF CONSTITUENTS HAVING A BOILING RANGE OF ABOUT 480* F. TO ABOUT 520* F. AT 10 MM. OF MERCURY ABSOLUTE PRESSURE, THE AVERAGE MELTING POINTS OF SAID WAX CONSTITUENTS BEING SUBSTANTIALLY EQUAL.
References Cited (Backward Citations)
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US2603589A
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US2611734A
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US2624501A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |