← Back to Patent Explorer
US3597406A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymers of hydrocarbon substituted 1,5-cyclooctadienes and methods for their polymerization

Assignee: Goodyear Tire and Rubber Co
•
Filing: 1969-04-30
•
Granted: 1971-08-03
•
Expires: 1989-04-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract THERE IS DISCLOSED A METHOD FOR THE RING OPENING POLYMERIZATION OF HYDROCARBON SUBSTITUTED CYCLOOCTADIENES OF THE FORMULA 1-R''-CYCLOOCTA-1,4-DIENE AND 1,2-DI-R''-CYCLOOCTA-1,4-DI- ENE WHEREIN R'' IS A METHYL, ETHYL, PROPYL OR BUTYL RADICAL, ARE ALSO DISCLOSED. (-CH2-CH=CH-CH2-CH2-C(-R'')=C(-R'')-CH2-) OR THE FORMULA (-CH2-CH=CH-CH2-CH2-CH=C(-R'')-CH2-) OR THE FORMULA (-CH2-CH=CH-CH2-CH2-C(-R'')=CH-CH2-) WHEREIN R'' IS AN ALKYL, ARYL, ARALKYL, ALKARYL, CYCLOALKYL OR BICYCLOALKYL RADICAL WHICH COMPRISES POLYMERIZING THESE HYDROCARBON SUBSTITUTED 1,5-CYCLOOCTADIENES IN THE PRESENCE OF A CATALYST SYSTEM COMPRISING (A) AT LEAST ONE ORGANOMETALLIC COMPOUND WHEREIN THE METAL IS SELECTED FROM THE GROUP CONSISTING OF IA, IIA, IIB AND IIIA OF THE PERIODIC TABLE OF ELEMENTS, (B) AT LEAST ONE TRANSITION METAL SALT SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM HALIDES AND (C) AT LEAST ONE COMPOUND OF THE GENERAL FORMULA R-Y-H WHEREIN Y IS OXYGEN; H IS HYDROGEN AND R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF (1) HYDROGEN, (2) ALKYL, (3) ARYL, (4) ARYLALKYL, (5) ALKARYL, (6) ALKENYL, AND (7) RADICALS OF (2) THROUGH (6) WHEREIN AT LEAST ONE HYDROGEN OF THE RADICAL R MAY BE SUBSTITUTED BY AT LEAST ONE HYDROXYL OH GROUP. POLYMERS CONSISTING OF REPEATING UNITS HAVING THE FORMULA

Inventors

  • 👤 Nissim Calderon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 03:10
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-02 1975-02-01 1975-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-02 1979-02-01 1979-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-02 1983-02-01 1983-08-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag