US3392104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of negative oliensis asphalt by oxidizing a blend of oliensis positive and oliensis negative asphalts
Assignee: Phillips Petroleum Co
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Filing: 1964-08-24
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Granted: 1968-07-09
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Mack F Potts
- 👤 Frank E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:32
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A METHOD OF PRODUCING SPECIFICATION ASPHALT COMPRISING PROVIDING AT LEAST TWO CRUDE OILS HAVING THE GENERAL CHARACTERISTICS OF FROM 1 TO 8 WEIGHT PERCENT WAX CONTENT AND A GRAVITY OF FROM 20 TO 50* A.P.I. AT 60*F., SEPARATELY TREATING AT LEAST ONE OF SAID CRUDE OILS TO PRODUCE A FIRST ASPHALIC PRODUCT HAVING A SPECIFIC GRAVITY, 60/60*F., GRETER THAN 1, AN ASTM D-5-52 PENETRATION CHARACTERISTIC OF FROM 0 TO 50 AND AN ASTM D-36-26 RING AND BALL SOFTENING POING OF AT LEAST 200*F. AND A POSITIVE OLIENSIS SPOT TEST SEPARATELY TREATING AT LEAST ONE OF SAID CRUDE OILS TO PRODUCE A SECOND ASPHALTIC PRODUCT HAVING A SPECIFIC GRAVITY, 60/60*F., OF LESS THAN 1, AND ASTM D-5-52 PENETRATION CHARACTERISTIC OF AT LEAST 200, AN ASTM D-36-26 RING AND BALL SOFTENING POINT OF LESS THAN 100*F. AND A NEGATIVE OLIENSIS SPOT TEST, COMBINING SAID FIRST AND SECOND ASPHALTIC PRODUCTS USING AT LEAST 50 VOLUME PERCENT OF SAID FIRST ASPHALTIC PRODUCT AND OXIDIZING SAME TO PRODUCE AN ASPHALT PRODUCT THAT MEETS SPECIFICATION REQUIREMENTS OF A SPECIFIC GRAVITY, 60/60*F., OF ABOUT 1. AN ASTM D-5-52 PENETRATION CHARACTERISTIC OF FROM 70 TO 100, AN ASTM D-36-26 RING AND BALL SOFTENING POINT OF FROM 90 TO 130*F. AND A NEGATIVE OLIENSIS SPOT TEST.
Claim 2
Independent Claim
207 words
A METHOD OF PRODUCING SPECIFICATION ASPHALT COMPRISING PROVIDING AT LEAST TWO CRUDE OILS HAVING THE GENERAL CHARACTERISTICS OF FROM 1 TO 8 WEIGHT PERCENT WAX CONTENT AND A GRAVITY OF FROM 20 TO 50* A.P.I. AT 60*F., SEPARATELY TREATING AT LEAST ONE OF SAID CRUDE OILS TO PRODUCE A FIRST ASPHALIC PRODUCT HAVING A SPECIFIC GRAVITY, 60/60*F., GRETER THAN 1, AN ASTM D-5-52 PENETRATION CHARACTERISTIC OF FROM 0 TO 50 AND AN ASTM D-36-26 RING AND BALL SOFTENING POING OF AT LEAST 200*F. AND A POSITIVE OLIENSIS SPOT TEST SEPARATELY TREATING AT LEAST ONE OF SAID CRUDE OILS TO PRODUCE A SECOND ASPHALTIC PRODUCT HAVING A SPECIFIC GRAVITY, 60/60*F., OF LESS THAN 1, AND ASTM D-5-52 PENETRATION CHARACTERISTIC OF AT LEAST 200, AN ASTM D-36-26 RING AND BALL SOFTENING POINT OF LESS THAN 100*F. AND A NEGATIVE OLIENSIS SPOT TEST, COMBINING SAID FIRST AND SECOND ASPHALTIC PRODUCTS USING AT LEAST 50 VOLUME PERCENT OF SAID FIRST ASPHALTIC PRODUCT AND OXIDIZING SAME TO PRODUCE AN ASPHALT PRODUCT THAT MEETS SPECIFICATION REQUIREMENTS OF A SPECIFIC GRAVITY, 60/60*F., OF ABOUT 1. AN ASTM D-5-52 PENETRATION CHARACTERISTIC OF FROM 70 TO 100, AN ASTM D-36-26 RING AND BALL SOFTENING POINT OF FROM 90 TO 130*F. AND A NEGATIVE OLIENSIS SPOT TEST.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |