| 发明名称 |
OPTHTHALMIC DEVICES COMPRISING POLYESTER COMPOSITIONS FORMED FROM 2,2,4,4-TETRAMETHYL-1.3-CYCLOBUTANEDIOL AND 1,4-CYCLOHEXANEDIMETHANOL |
| 摘要 |
Described are ophthalmic products comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylicacidcomponent having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues. |
| 申请公布号 |
WO2007001575(A1) |
申请公布日期 |
2007.01.04 |
| 申请号 |
WO2006US12075 |
申请日期 |
2006.03.30 |
| 申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
CRAWFORD, EMMETT, DUDLEY;PORTER, DAVID, SCOTT;CONNELL, GARY, WAYNE |
| 分类号 |
C08G63/00;G02B1/04 |
主分类号 |
C08G63/00 |
| 代理机构 |
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