US3170906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cis-1, 4 polybutadiene with a carrier-supported nickel or cobalt oxide catalyst
Assignee: Bridgestone Corp
•
Filing: 1960-12-28
•
Granted: 1965-02-23
•
Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Ueda Kenichi
- 👤 Onishi Akira
- 👤 Yoshimoto Toshio
- 👤 Hosono Junichi
- 👤 Maeda Katsuhiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:36
CPC Classifications
C; C08; C08F; C08F136/00; C08F136/02; C08F136/04; C08F136/06; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S526/00; Y10S526/907
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
161 words
A PROCESS FOR MANUFACTURING CIS-1,4 POLYBUTADIENE WHICH COMPRISES POLYMERIZING BUTADIENE IN HYDROCARBON SOLVENT AT A TEMPERATURE IN THE RANGE FROM -50*C. TO 150*C. IN AN INERT ATMOSPHERE TO A SOLID POLYMER HAVING AT LEAST 85* CIS-1,4 STRUCTURE, AND SUBSTANTIALLY NO GEL BY USING AS CATALYST A THREE-COMPONENT REACTION PRODUCT PREPARED BY EFFECTING REACTION THROUGH MIXING A CARRIER-SUPPORTED METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDES AND COBALT OXIDES, WHICH IS SUSPENDED IN AN ANHYDROUS HYDROCARBON WITH A BORON TRIFLUORIDE ETHERATE AT A TEMPERATURE IN THE RANGE FROM 10* C. TO 100*C. AND THEN WITH A TRIALKYL ALUMINUM AT A TEMPERATURE IN THE RANGE FROM -80* C. TO 30*C., THE CARRIER-SUPPORTED METAL OXIDE BEING PREPARED BY THE OXIDATION OF THE CORRESPONDING SALT ASHERED TO THE CARRIER AT A TEMPERATURE LOWER THAN 600*C., THE THREE COMPONENTS BEING MIXTED TO REACT FROM 1/10 TO 5/1 AND THAT THE RATIO OF SAID METAL OXIDE TO AL IS THE RANGE FROM 1/10 TO 10/1.
Claim 2
Dependent Claim
161 words
A PROCESS FOR MANUFACTURING CIS-1,4 POLYBUTADIENE WHICH COMPRISES POLYMERIZING BUTADIENE IN HYDROCARBON SOLVENT AT A TEMPERATURE IN THE RANGE FROM -50*C. TO 150*C. IN AN INERT ATMOSPHERE TO A SOLID POLYMER HAVING AT LEAST 85* CIS-1,4 STRUCTURE, AND SUBSTANTIALLY NO GEL BY USING AS CATALYST A THREE-COMPONENT REACTION PRODUCT PREPARED BY EFFECTING REACTION THROUGH MIXING A CARRIER-SUPPORTED METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDES AND COBALT OXIDES, WHICH IS SUSPENDED IN AN ANHYDROUS HYDROCARBON WITH A BORON TRIFLUORIDE ETHERATE AT A TEMPERATURE IN THE RANGE FROM 10* C. TO 100*C. AND THEN WITH A TRIALKYL ALUMINUM AT A TEMPERATURE IN THE RANGE FROM -80* C. TO 30*C., THE CARRIER-SUPPORTED METAL OXIDE BEING PREPARED BY THE OXIDATION OF THE CORRESPONDING SALT ASHERED TO THE CARRIER AT A TEMPERATURE LOWER THAN 600*C., THE THREE COMPONENTS BEING MIXTED TO REACT FROM 1/10 TO 5/1 AND THAT THE RATIO OF SAID METAL OXIDE TO AL IS THE RANGE FROM 1/10 TO 10/1.
Claim 3
Dependent Claim
161 words
A PROCESS FOR MANUFACTURING CIS-1,4 POLYBUTADIENE, WHICH COMPRISES POLYMERIZING BUTADIENE IN HYDROCARBON SOLVENT AT A TEMPERATURE IN THE RANGE FROM -50* TO 150* C. IN AN INERT ATMOSPHERE TO A SOLID POLYMER HAVING AT LEAST 85% CIS -1,4 STRUCTURE AND SUBSTANTIALLY NO GEL BY USING AS CATALYST A THREE-COMPONENT THROUGH MIXING A DIATOMACEOUS EARTH-SUPPORTED METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDES AND COBALT OXIDES, WHICH IS SUSPENDED IN AN ANHYDROUS HYDROCARBON MEDIUM WITH TITANIUM TETRACHLORIDE AND A TRIALKYL ALUMINUM AT A TEMPERATURE IN THE RANGE FROM -100*C. TO 40*C., AND DIATOMACEOUS EARTH-SUPPORTED EARTH METAL OXIDE BEING PREPARED BY THE OXIDATION OF THE CORRESPONDING SALT ADHERED TO DIATOMACEOUS EARTH AT A TEMPERATURE LOWER THAN 600*C., THE THREE COMPONENTS BEING MIXED TO REACT IN SUCH MOLE RATIOS SO THAT THE RATIO OF AL TO TI IS THE RANGE FROM 0.5/1 TO 1.2/1 AND THAT THE RATIO OF SAID METAL OXIDE TO AL IS IN THE RANGE FROM 1/10 TO 10/1.
Claim 4
Dependent Claim
161 words
A PROCESS FOR MANUFACTURING CIS-1,4 POLYBUTADIENE, WHICH COMPRISES POLYMERIZING BUTADIENE IN HYDROCARBON SOLVENT AT A TEMPERATURE IN THE RANGE FROM -50* TO 150* C. IN AN INERT ATMOSPHERE TO A SOLID POLYMER HAVING AT LEAST 85% CIS -1,4 STRUCTURE AND SUBSTANTIALLY NO GEL BY USING AS CATALYST A THREE-COMPONENT THROUGH MIXING A DIATOMACEOUS EARTH-SUPPORTED METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDES AND COBALT OXIDES, WHICH IS SUSPENDED IN AN ANHYDROUS HYDROCARBON MEDIUM WITH TITANIUM TETRACHLORIDE AND A TRIALKYL ALUMINUM AT A TEMPERATURE IN THE RANGE FROM -100*C. TO 40*C., AND DIATOMACEOUS EARTH-SUPPORTED EARTH METAL OXIDE BEING PREPARED BY THE OXIDATION OF THE CORRESPONDING SALT ADHERED TO DIATOMACEOUS EARTH AT A TEMPERATURE LOWER THAN 600*C., THE THREE COMPONENTS BEING MIXED TO REACT IN SUCH MOLE RATIOS SO THAT THE RATIO OF AL TO TI IS THE RANGE FROM 0.5/1 TO 1.2/1 AND THAT THE RATIO OF SAID METAL OXIDE TO AL IS IN THE RANGE FROM 1/10 TO 10/1.
References Cited (Backward Citations)
US2606940A
Cited
US2477290A
Cited
US2882264A
Cited
US2965626A
Cited
US2965627A
Cited
US2953554A
Cited
US2977349A
Cited
US2970134A
Cited
FR1215953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |