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US2963765A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of curing concrete

Assignee: ConocoPhillips Co
•
Filing: 1957-10-25
•
Granted: 1960-12-13
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Expires: 1977-10-25
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Abstract

No abstract record available.

Inventors

  • 👤 Richard M Tillman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:52
CPC Classifications
C; C04; C04B; C04B40/00; C04B40/04; Y; Y10; Y10S; Y10S264/00; Y10S264/43

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 124 words
THE PROCESS OF CURING CONCRETE WHICH COMPRISES APPLYING TO A CONCRETE AS A SURFACE COATING BEFORE THE CONCRETE HAS SET A COMPOSITION COMPRISING ON A WEIGHT BASIS A VOLATILE PETROLEUM HYDROCARBON SOLVENT, 45 TO 98 PERCENT, A MICROCRYSTALLINE WAX, 1 TO 40 PERCENT, AS A FILM FORMING SUBSTANCE, AN ORGANIC DYE, 0.005 TO 5 PERCENT, AND A DISPERSING AGENT, 0.025 TO 10 PERCENT, WHEREIN SAID DISPERSING AGENT IS SELECTED FROM THE GROUP CONSISTING OF HYDROGENATED TALLOW AMINE, A FATTY AMINE FROM SOYA OIL, AND A POLYETHYLENE HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 1500 TO 2000, CHARACTERIZED FURTHER IN THAT SAID COATING HAS A WATER RETENTION VALUE OF AT LEAST 96 PERCENT AS DETERMINED BY ASTM SPECIFICATION C-156-55. ASTM STANDARDS, 1955, PART 3.
Claim 2
Dependent Claim 124 words
THE PROCESS OF CURING CONCRETE WHICH COMPRISES APPLYING TO A CONCRETE AS A SURFACE COATING BEFORE THE CONCRETE HAS SET A COMPOSITION COMPRISING ON A WEIGHT BASIS A VOLATILE PETROLEUM HYDROCARBON SOLVENT, 45 TO 98 PERCENT, A MICROCRYSTALLINE WAX, 1 TO 40 PERCENT, AS A FILM FORMING SUBSTANCE, AN ORGANIC DYE, 0.005 TO 5 PERCENT, AND A DISPERSING AGENT, 0.025 TO 10 PERCENT, WHEREIN SAID DISPERSING AGENT IS SELECTED FROM THE GROUP CONSISTING OF HYDROGENATED TALLOW AMINE, A FATTY AMINE FROM SOYA OIL, AND A POLYETHYLENE HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 1500 TO 2000, CHARACTERIZED FURTHER IN THAT SAID COATING HAS A WATER RETENTION VALUE OF AT LEAST 96 PERCENT AS DETERMINED BY ASTM SPECIFICATION C-156-55. ASTM STANDARDS, 1955, PART 3.

References Cited (Backward Citations)

US1867421A Cited
US2143515A Cited
US1942000A Cited
US2275272A Cited
US2839811A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-12-13 1964-06-13 1964-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-12-13 1968-06-13 1968-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-12-13 1972-06-13 1972-12-13 $7700.00 Window Closed / Lapsed

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