The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 1979
Filed:
Jun. 16, 1977
Atsuo Katsushima, Higashiosaka, JP;
Iwao Hisamoto, Suita, JP;
Shoshin Fukui, Toyonaka, JP;
Chiaki Maeda, Settsu, JP;
Akitoshi Iwatani, Yao, JP;
Takahisa Kato, Settsu, JP;
Masayuki Nagai, Settsu, JP;
Hiroyuki Shinkai, Settsu, JP;
Masayuki Asaoka, Kyoto, JP;
Daikin Kogyo Co., Ltd., Osaka, JP;
Abstract
A compound of the formula: ##STR1## WHEREIN Q is a hydrogen atom, --CH.sub.2 CH(OH)CH.sub.2 Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--, --COO--, --NH--, --N.dbd. and ##STR2## IN THE CHAIN, R is a hydrogen atom, a hydrocarbon residue or --CH.sub.2 CH(OH)CH.sub.2 Rf and m is an integer of not less than 1, Rf being a perfluoroalkyl group, an .omega.-hydro-perfluoroalkyl group o an .differential.-chloro-erfluoroalkylgroup having 4 to 20 carbon atoms, which is useful as an agent for rendering fibrous materials oleophobic and anti-soiling and may be prepared by reacting a perfluoroalkylpropylene oxide of the formula: ##STR3## wherein Rf is the same as defined above, with a reagent of the formula: