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Rubber processing compositions

Assignee: Phillips Petroleum Co
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Filing: 1951-11-08
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Granted: 1955-04-12
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Expires: 1971-11-08
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Abstract

No abstract record available.

Inventors

  • 👤 Walter A Schulze

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:04
CPC Classifications
C; C08; C08L; C08L9/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 84 words
A METHOD FOR PRODUCING RUBBER PROCESSING COMPOSITIONS TO BE USED IN THE VULCANIZATION OF RUBBER TO IMPROVE THEIR PROCESSABILITY AND THE PROPERTIES OF THE FINISHED PRODUCT, WHICH COMPRISES ADMIXING ONE PART BY WEIGHT OF A LIQUID POLYMER OF A CONJUGATED DIOLEFIN CONTAINING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE WITH 0.3 TO 1 PART BY WEIGHT OF A ROSIN ACID AND ADMIXING AT LEAST 5 PARTS BY WEIGHT OF THE RESULTING COMPOSITION WITH 100 PARTS BY WEIGHT OF SAID RUBBER PRIOR TO VALCANIZATION.
Claim 2
Independent Claim 84 words
A METHOD FOR PRODUCING RUBBER PROCESSING COMPOSITIONS TO BE USED IN THE VULCANIZATION OF RUBBER TO IMPROVE THEIR PROCESSABILITY AND THE PROPERTIES OF THE FINISHED PRODUCT, WHICH COMPRISES ADMIXING ONE PART BY WEIGHT OF A LIQUID POLYMER OF A CONJUGATED DIOLEFIN CONTAINING NOT MORE THAN 6 CARBON ATOMS PER MOLECULE WITH 0.3 TO 1 PART BY WEIGHT OF A ROSIN ACID AND ADMIXING AT LEAST 5 PARTS BY WEIGHT OF THE RESULTING COMPOSITION WITH 100 PARTS BY WEIGHT OF SAID RUBBER PRIOR TO VALCANIZATION.

References Cited (Backward Citations)

US2012259A Cited
GB492998A Cited
US2384683A Cited
US2377647A Cited
US2473538A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-04-11 1958-10-11 1959-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-04-11 1962-10-11 1963-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-04-11 1966-10-11 1967-04-12 $7700.00 Window Closed / Lapsed

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