WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2004002929) SYNTHESIS OF HEXAFLUOROPROPYLENE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/002929    International Application No.:    PCT/US2003/019913
Publication Date: 08.01.2004 International Filing Date: 25.06.2003
Chapter 2 Demand Filed:    16.01.2004    
IPC:
C07C 17/26 (2006.01), C07C 17/269 (2006.01)
Applicants: E.I. DU PONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street, Wilmington, DE 19898 (US)
Inventors: BARNES, John, James; (US).
KELCH, Kenneth, Paul; (US).
SANDBROOK, Thomas, D.; (US).
VAN BRAMER, David, John; (US)
Agent: TOCKER, Edwin; E.I. DU PONT DE NEMOURS AND COMPANY, LEGAL PATENT RECORDS CENTER, 4417 Lancaster Pike, Wilmington, DE 19805 (US)
Priority Data:
60/391,915 26.06.2002 US
Title (EN) SYNTHESIS OF HEXAFLUOROPROPYLENE
(FR) SYNTHESE D'HEXAFLUOROPROPYLENE
Abstract: front page image
(EN)The present invention relates to the process of pyrolyzing tetrafluoroethylene to hexafluoropropylene by carrying out the pyrolysis in a tubular reactor that is lined with either nickel or nickel alloy which contains no greater than 8 wt% chromium.
(FR)Cette invention se rapporte à un procédé pour transformer par pyrolyse du tétrafluoroéthylène en hexafluoropropylène, en effectuant la pyrolyse dans un réacteur tubulaire qui est recouvert soit de nickel soit d'alliage de nickel ne contenant pas plus de 8 % en poids de chrome.
Designated States: CN, JP.
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PT, RO, SE, SI, SK, TR).
Publication Language: English (EN)
Filing Language: English (EN)