Arquivamento - Art. 33 da LPI
#11.1
08/14/2001
RPI 1597
Application data
Number
PI9503288Type
Filing
Publication
The application was abandoned: examination was not requested within the 36 months following the 07/12/1995 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/14/2001. We update with every new RPI gazette, published weekly.
Applicants
Elf Atochem North America, Inc.
US
Inventors
M. G. (pessoa física)
US
S. S. (pessoa física)
US
IPC Classification
Priority claims
US
08/320,347 · 10/11/1994
Abstract
Patente de Invenção "PROCESSO PARA A PREPARAÇÃO DE UM MERCAPTANO DE ALQUILA LINEAR (C~ 4-18~) DE ELEVADA PUREZA". Os mercaptanos de alquila lineares C~ 4~+ de elevada pureza são preparados pela reação de um sulfeto de di-alquila linear (C~ 4~+) com sulfeto de hidrogênio em temperatura elevada na presença de um material de alumina de transição específica.
Publications in the Brazilian Industrial Property Gazette (RPI).
#11.1
08/14/2001
RPI 1597
#3.1
10/01/1996
RPI 1348
#2.1
08/29/1995
RPI 1291
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.