Process, properties, and applications of graft copolymers
US9777089B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Dec 16, 2015 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Dec 16, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymeric molecule having the formula: X—[C(A)2C(B)(B′)]n-Q[CY═C(Z)(Z′)] or [C(A)2=C(B)]n-Q[C(Y)(Y′)—C(Z)(Z′)]—X′, wherein A is either H or F; B and B′ are either H, F, or Cl, and are not necessarily the same; X and X′ are Br, Cl or I (and are not necessarily the same); Y and Y′ are F, Br, Cl or I (and are not necessarily the same); and wherein Z and Z′ are F, Br, Cl or I (and are not necessarily the same); Q is optional and is either oxygen (O) or sulfur (S); and n is at least 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.