US3238164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tall oil pitch-c1-c18 monohydric alcohol compositions and use thereof in rubber
Assignee: Hercules Powder Co
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Filing: 1963-11-06
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Granted: 1966-03-01
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Rhoads M Speck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:49
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/026; C08; C08L; C08L21/00; C08L9/00; C08L9/06; C08L95/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
60 words
A METHOD WHICH COMPRISES REACTING TALL OIL PITCH AND A C1-C18 MONOHYDRIC ALCOHOL AT A TEMPERATURE OF FROM ABOUT 200 TO ABOUT 350*C. AND AT A LPRESSURE OF FROM ABOUT 100 P.S.I. TO ABOUT 2000 P.S.I., THE AMOUNT OF ALCOHOL EMPLOYED IN CARRYING OUT THE REACTION BEING AT LEAST ABOUT 2 PARTS FOR EACH 100 PARTS OF TALL OIL PITCH.
Claim 2
Independent Claim
60 words
A METHOD WHICH COMPRISES REACTING TALL OIL PITCH AND A C1-C18 MONOHYDRIC ALCOHOL AT A TEMPERATURE OF FROM ABOUT 200 TO ABOUT 350*C. AND AT A LPRESSURE OF FROM ABOUT 100 P.S.I. TO ABOUT 2000 P.S.I., THE AMOUNT OF ALCOHOL EMPLOYED IN CARRYING OUT THE REACTION BEING AT LEAST ABOUT 2 PARTS FOR EACH 100 PARTS OF TALL OIL PITCH.
Claim 3
Dependent Claim
120 words
IN A METHOD OF COMPOUNDING RUBBER SELECTED FROM THE GROUP CONSISTING OF STYRENE-BUTADIENE COPOLYMER, ISOPRENE-ISOBUTYLENE COPOLYMER, CIS-POLYISOPRENE, CISPOLYBUTADIENE, ETHYLENE-PROPYLENE COPOLYMER, ETHYLENEPROPYLENE TERPOLYMER, POLYCHLOROBUTADIENE, ACRYLONITRILEBUTADIENE COPOLYMER, AND NATURAL RUBBER THE IMPROVEMENT WHICH COMPRISES INCORPORATING WITH THE RUBBER DURING PROCESSING THEREOF FROM ABOUT 1 PART TO ABOUT 30 PARTS BY WEIGHT, FOR EACH 100 PARTS BY WEIGHT OF RUBBER, OF A TALL OIL PITCH COMPOSITION DERIVED BY REACTING TALL OIL PITCH AND A C1-C18 MONOHYDRIC ALCOHOL AT A TEMPERATURE OF FROM ABOUT 200* TO ABOUT 350*C. AND AT PRESSURE OF FROM ABOUT 100 P.S.I. TO ABOUT 2000 P.S.I., THE AMOUNT OF ALCOHOL EMPLOYED IN CARRYING OUT THE REACTION BEING AT LEAST ABOUT 2 PARTS FOR EACH 100 PARTS OF TALL OIL PITCH.
Claim 4
Dependent Claim
120 words
IN A METHOD OF COMPOUNDING RUBBER SELECTED FROM THE GROUP CONSISTING OF STYRENE-BUTADIENE COPOLYMER, ISOPRENE-ISOBUTYLENE COPOLYMER, CIS-POLYISOPRENE, CISPOLYBUTADIENE, ETHYLENE-PROPYLENE COPOLYMER, ETHYLENEPROPYLENE TERPOLYMER, POLYCHLOROBUTADIENE, ACRYLONITRILEBUTADIENE COPOLYMER, AND NATURAL RUBBER THE IMPROVEMENT WHICH COMPRISES INCORPORATING WITH THE RUBBER DURING PROCESSING THEREOF FROM ABOUT 1 PART TO ABOUT 30 PARTS BY WEIGHT, FOR EACH 100 PARTS BY WEIGHT OF RUBBER, OF A TALL OIL PITCH COMPOSITION DERIVED BY REACTING TALL OIL PITCH AND A C1-C18 MONOHYDRIC ALCOHOL AT A TEMPERATURE OF FROM ABOUT 200* TO ABOUT 350*C. AND AT PRESSURE OF FROM ABOUT 100 P.S.I. TO ABOUT 2000 P.S.I., THE AMOUNT OF ALCOHOL EMPLOYED IN CARRYING OUT THE REACTION BEING AT LEAST ABOUT 2 PARTS FOR EACH 100 PARTS OF TALL OIL PITCH.
References Cited (Backward Citations)
US3157609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |