Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1985-08-30
1987-09-01
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568306, 568326, 568315, 549 16, 549375, 549393, 549369, 546103, 564323, 564324, 564326, 564328, 558412, 558414, 558415, 522 53, 522 63, 522 68, 522 45, 522 46, C07C 49786
Patent
active
046910590
ABSTRACT:
This invention describes UV-stabilized step growth polymers such as polyesters, polyurethanes, polycarbonates, and combinations thereof. The UV-stabilizing moieties present in these polymers comprise chemically bound, pendant ortho-hydroxydiphenyl ketone based moieties. The polymers are especially useful as protective films and fibers which are highly resistant to ultraviolet (UV) and sunlight degradation.
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Mitra Smarajit
Mitra Sumita B.
Minnesota Mining and Manufacturing Company
Reamer James H.
Sell Donald M.
Sherman Lorraine R.
Smith James A.
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