Weatherable and abrasion resistant coating systems for polymeric substrates

US8940397B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8940397-B2
Application numberUS-201113036348-A
CountryUS
Kind codeB2
Filing dateFeb 28, 2011
Priority dateFeb 28, 2011
Publication dateJan 27, 2015
Grant dateJan 27, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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Abstract

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Disclosed herein is a primer composition comprising an inorganic UV absorbing agent and a polymer selected from (i) a copolycarbonate, and (ii) a polyurethane obtained by reaction of a polyisocyanate and a copolycarbonate diol. Also disclosed is a coated article comprising a polymeric substrate, a primer layer disposed on at least one surface of said substrate, and an abrasion-resistant layer disposed on said primer layer, where the primer layer is made from the primer composition of the invention.

First claim

Opening claim text (preview).

What is claimed is: 1. A primer coating composition comprising (1) an inorganic UV absorbing agent selected from the group consisting of CeOx, TiOx, ZnOx, ZrOx, and combinations thereof, wherein x is 1-2; and (2) a polymer selected from (i) a linear copolycarbonate comprising repeating units A and B, and (ii) a polyurethane obtained by reaction of a polyisocyanate and a linear copolycarbonate diol comprising repeating units A and B, wherein repeating units A and B are represented…

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What does patent US8940397B2 cover?
Disclosed herein is a primer composition comprising an inorganic UV absorbing agent and a polymer selected from (i) a copolycarbonate, and (ii) a polyurethane obtained by reaction of a polyisocyanate and a copolycarbonate diol. Also disclosed is a coated article comprising a polymeric substrate, a primer layer disposed on at least one surface of said substrate, and an abrasion-resistant layer d…
Who is the assignee on this patent?
Mallesha Honnaiah, Dhanabalan Anantharaman, Hayes Robert F, and 3 more
What technology area does this patent fall under?
Primary CPC classification C09D169/00. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).