Patent · US Expired

Compounds and their application as well as a method of producing liquid crystalline polymers therefrom

US6423865B1 · kind B1 · utility

9Cited by
3References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2000
Grant dateJul 23, 2002
Priority date
Expiry dateMar 1, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2019/0448
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to compounds with the general formula Y1—A1—M1—A2—Y2 whereinY1 and Y2 are different from each other and Y1 is an acrylate or methacrylate residue and Y2 is a vinyl ether, epoxy, or azide residue,A1 and A2 are identical or different residues with the general formula CnH2n in which n is a whole number from 0 to 20 and one or more methylene groups can be replaced by oxygen atoms, andM1 has the general formula —R1—X1—R2—X2—R3—X3—R4— whereinR1, R2, R3, and R4 are identical or different doubly bonded residues from the group —O—, —COO—, —CONH—, —CO—, —S—, —C≡C—, —CH═CH—, —CH═N—, —CH2—, —N═N—, and —N═N(O)—, and R2—X2—R3 can also be a C—C bond, andX1, X2, and X3 are identical or different residues from the group 1,4-phenylene, 1,4-cyclohexylene; arylalkane or heteroarylalkane with 1 to 10 carbon atoms which contains one to three heteroatoms from the group O, N, and S, substituted with B1, B2, and/or B3; and cycloalkylene with…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.