Methods for preparing rigid-rod macromonomers with reactive end groups
US5973075A · kind A · utility
5Cited by
6References
12Claims
0Family size
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Key dates
| Filing date | Jun 8, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Jun 8, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2261/312
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods for preparing rigid-rod macromonomers having a polyaromatic backbone, solubilizing side groups, and reactive end groups are provided. Such methods include catalytic reductive coupling of substituted 1,4-dihaloaromatic compounds in the presence of an endcapping moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.