Controllably and swiftly degradable polymer compositions and films and other products made therefrom
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 3, 1990
Issued Date -
N/A
app pub date -
Aug 4, 1989
filing date -
Feb 27, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Polymer compositions comprising a vinyl polymer and a combination of at least two metal complexes wherein the complexing agent of the first complex is attached to the metal through oxygen and the metal is a transition metal, and the complexing agent of the second complex is attached to the metal through sulphur and the metal is a transition metal or a metal of group II or IV of the periodic table of the elements, wherein the molar ratio of the second metal complex to the first metal complex is 0.5 or less. A film obtained from such polymer compositions and its use agricultural processes are also claimed.
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