Catalyst and method

Details Catalyst and method Catalyst and method

1976-11-03

1977-12-20

Holler, Alan

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429R, 252430, 252431R, 526106, 526123, 526130, 526154, 526352, C08F 478, C08F 1000

Patent

active

040643360

ABSTRACT:
A new catalyst and method of making polymers therewith and the process of preparing the catalyst in which the catalyst is prepared by dispersing on a finely divided carrier material, particularly a difficulty reducible inorganic support such as silica, an organic chromium compound or complex such as a chelate derived from an N-nitroso-substituted N-arylhydroxylamine, N-nitroso-substituted hydroxamic acid, N-aryl-substituted hydroxamic acid, or an aromatic hydroxamic acid with or without an N-substituent and activating the resulting mixture by heating at an elevated temperature in a non-oxidizing atmosphere.

REFERENCES:
patent: 3324092 (1967-06-01), Naarmann et al.
patent: 3860568 (1975-01-01), Chabert et al.
patent: 3953413 (1976-04-01), Hwang et al.
patent: 3986983 (1976-10-01), Hoff et al.

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