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公开(公告)号：US12049541B2
公开(公告)日：2024-07-30
申请号：US17045041
申请日：2019-04-01
IPC分类号： C08G63/60 , C08G63/06 , C08K5/13 , C08K5/526 , C08K5/527 , C08L67/02 , C08G63/18 , C08G63/199
CPC分类号： C08G63/60 , C08G63/06 , C08K5/13 , C08K5/526 , C08K5/527 , C08L67/02 , C08G63/18 , C08G63/199
摘要： A polyester resin composition containing:
a polyester resin containing a unit (A) represented by the following general formula (1); and
an antioxidant:
wherein R1 is a hydrogen atom, CH3 or C2H5, R2 and R3 are each independently a hydrogen atom or CH3, and n is 0 or 1.-
公开(公告)号：US11732088B2
公开(公告)日：2023-08-22
申请号：US17283747
申请日：2019-10-08
摘要： A polyester carbonate resin is provided and includes a constituent unit represented by the following general formula (1), a constituent unit represented by the following general formula (2), and a constituent unit represented by the following general formula (3):
wherein R represents hydrogen or an alkyl group containing 1 to 4 carbon atoms,
wherein Q represents the following:
wherein n and m each independently represent an integer of 0 to 5, and-
公开(公告)号：US10605956B2
公开(公告)日：2020-03-31
申请号：US16030223
申请日：2018-07-09
摘要： The present invention addresses the problem of providing a resin having a high Abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low Abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). In general formula (1), R represents H, CH3, or C2H5.
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公开(公告)号：US10689487B2
公开(公告)日：2020-06-23
申请号：US16090404
申请日：2017-04-03
发明人： Manabu Hirakawa
摘要： The present invention makes it possible to provide a polycarbonate copolymer including structural units represented by general formula (K) and structural units represented by general formula (1). (In general formula (K), R represents H, CH3 or CH2CH3.) (In general formula (1), Q represents a C5 or higher aliphatic hydrocarbon group optionally including a hetero atom.).
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公开(公告)号：US10144699B2
公开(公告)日：2018-12-04
申请号：US15945945
申请日：2018-04-05
IPC分类号： C07C69/757 , C08G64/02 , C07C67/347 , C07C29/149 , C07C47/347 , C07C29/141 , C07C45/50
摘要： The present invention is able to provide a bifunctional compound represented by formula (1). (In the formula, R1 represents COOCH3, COOC2H5, COOC3H7, COOC4H9 or CHO; and R2 represents H, CH3 or C2H5.)
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公开(公告)号：US09975843B2
公开(公告)日：2018-05-22
申请号：US15127969
申请日：2015-03-27
IPC分类号： C07C67/36 , C07C69/757 , C07C29/141 , C07C29/149 , C07C67/347 , C07C45/50 , C07C47/347 , C08G64/02
CPC分类号： C07C69/757 , C07C29/141 , C07C29/149 , C07C45/50 , C07C47/347 , C07C67/347 , C07C2603/86 , C08G64/0208 , C07C31/278
摘要： A method for producing a bifunctional compound of formula (1): where R1 represents COOCH3, COOC2H5, COOC3H7, COOC4H9 or CHO and R2 represents H, CH3 or C2H5, by subjecting a monoolefin of formula (2): where R1 represents COOCH3, COOC2H5, COOC3H7, COOC4H9 or CHO and R2 represents H, CH3 or C2H5, carbon monoxide and hydrogen gases to a hydroformylation reaction in the presence of a rhodium compound and an organic phosphorous compound. Compounds produced.
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公开(公告)号：US12037451B2
公开(公告)日：2024-07-16
申请号：US17602394
申请日：2020-03-31
IPC分类号： C08G63/137 , C08G63/199 , C08G63/64 , C08G64/02
CPC分类号： C08G63/64 , C08G63/199 , C08G64/0208
摘要： Provided is a thermoplastic resin having a constituent unit represented by the following general formula (I):
wherein R1 represents a hydrocarbon group containing 1 to 6 carbon atoms, and R2 and R3 each independently represent a hydrogen atom or a methyl group.-
公开(公告)号：US10048404B2
公开(公告)日：2018-08-14
申请号：US15508741
申请日：2015-09-28
摘要： The present invention addresses the problem of providing a resin having a high Abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low Abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). In general formula (1), R represents H, CH3, or C2H5.
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9.发明授权公开(公告)号：US09982129B2
公开(公告)日：2018-05-29
申请号：US15305895
申请日：2015-04-28
CPC分类号： C08L69/00 , C08G64/06 , C08L2201/10 , C08L2205/02 , C08L2205/025 , G02B1/04 , G02B1/041
摘要： A polycarbonate resin composition including: a polycarbonate resin (A) which has a constitutional unit (a) represented by general formula (4); and a polycarbonate resin (B) which has a constitutional unit (b) represented by general formula (5). (In formula (4), X represents an alkylene group having 1 to 4 carbon atoms.) (In formula (5), R1 and R2 independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxyl group having 1 to 20 carbon atoms, a cycloalkyl group having 5 to 20 carbon atoms, a cycloalkoxyl group having 5 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aryloxy group having 6 to 20 carbon atoms; and Y represents an alkylene group having 1 to 4 carbon atoms.)
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10.发明授权公开(公告)号：US12060453B2
公开(公告)日：2024-08-13
申请号：US17437565
申请日：2020-03-10
CPC分类号： C08G63/64 , G02B1/041 , C08G64/0208 , G02B1/041 , C08L69/005
摘要： Provided is a polyester carbonate resin having a constituent unit (I) represented by the following general formula (1), a constituent unit (II) represented by the following general formula (2), and a constituent unit (III) represented by the following general formula (3):
wherein, in the above formula (1), R1 to R3 each independently represent a hydrogen atom, a methyl group or an ethyl group, and in the above formula (2), Q represents a divalent linking group.
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