Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-11-07
1992-07-21
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524413, 524415, C08J 529
Patent
active
051323478
ABSTRACT:
This invention relates to a composition of a halogen-containing resin such as polyvinyl chloride in which the occurrence of a chalking phenomenon by light is prevented by including a specific copper salt.
REFERENCES:
patent: 4529769 (1985-07-01), Johnson et al.
patent: 4675356 (1987-06-01), Miyata
Akamine Hiroshi
Sato Yoshinori
Ferro Corporation
Mulcahy Peter A.
Schofer Joseph L.
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