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US 6,894,187 B2Granted
Method for producing a fluorine-containing compound
AssigneeAsahi Glass Company, Limited
InventorsTakashi Okazoe, Kunio Watanabe, Shin Tatematsu, Masahiro Ito, Daisuke Shirakawa, Masao Iwaya, Hidekazu Okamoto
Life of this patent
Estimating the term…
Abstract
The present invention provides a method for obtaining a compound useful as a raw material for various fluororesins in high yield by a short process by using a starting material which is inexpensive and readily available.
Claims6
A compound selected from the compounds of the following formulae:
- CF3CF2COO(CH2)4OCOCF2CF3 (3-12),
- CF3CF2COOCH2CH (CH3)O(CH2)4OCOCF2CF3 (3-13),
- CF3CF2COO(CH2)2O(CH2)2OCOCF2CF3 (3-14),
- CF3CF2CF2OCF(CF3)COOCH2CH(CH3)O(CH2)5OCOCF(CF3)—OCF2CF2CF3 (3-15)
- CF3CF2COO(CH2)2O(CH2)2OCH(CH3)CH2OCOCF2CF3 (3-16),
- CF3CF2COOCF2CF2CF2CF2OCOCF2CF3 (4-12),
- CF3CF2COOCF2CF (CF3) OCF2CF2CF2CF2COCF2CF3 (4-13),
- CF3CF2COOCF2CF2OCF2CF2OCOCF2CF3 (4-14),
- CF3CF2CF2OCF(CF3)COOCF2CF(CF3)OCF2(CF2)3—CF2OCOCF (CF3)OCF2CF2CF3 (4-15),
- CF3CF2COO(CF2)2O(CF2)2OCF(CF3)CF2OCOCF2CF3 (4-16),
- and
- FCOCF2O(CF2)2OCF(CF3)COF (5-16).
9 more elements
Dependencies are inferred from the claim text.