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United States Patent | 3,951,680 |
Robertson , et al. | April 20, 1976 |
Filled polyolefin compositions having silicate mineral fillers coupled into the resin by means of certain coordination complexes, particularly fumarato chromium nitrate. Polyethylene or polypropylene resins with talc or kaolin fillers are preferred. Processes are also provided.
Inventors: | Robertson; James A. (West Chester, PA), Adelman; Robert L. (Wilmington, DE), Bergna; Horacio Enrique (Wilmington, DE) |
Assignee: |
E. I. Du Pont de Nemours and Company
(Wilmington,
DE)
|
Appl. No.: | 05/473,663 |
Filed: | May 28, 1974 |
Application Number | Filing Date | Patent Number | Issue Date | ||
356431 | May., 1973 | ||||
Current U.S. Class: | 106/454 ; 428/363 |
Current International Class: | C08K 9/00 (20060101); C08K 9/04 (20060101); C09C 1/00 (20060101); C09C 1/40 (20060101); C09C 3/08 (20060101); C09C 1/42 (20060101); C09C 001/00 (); C09C 001/42 () |
Field of Search: | 106/302,38Q,288B,291,38N 260/438.5C |
3442851 | May 1969 | McManimie |
3775455 | November 1973 | Cumbo |