14.1
08/29/1989
RPI 984
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Official data from INPI
PROCESSO PARA A REMOÇÃO DE CONTAMINANTES DE DIALQUENILBENZENOS DE UMA CORRENTE DE T-BUTILESTIRENO
Em AnáliseInvention Patent
Application data
Number
PI8506061Type
Invention Patent
Filing
12/04/1985
Publication
08/19/1986
Progress at the INPI
Awaiting grant fee payment- Filing12/04/85
- Publication08/19/86
- Examination02/09/88
- Allowance08/04/92
- Grant
- In force
The application was allowed by the INPI on 08/04/1992. The grant of the letters patent is being processed.
Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rexene Products Company
US
Inventors
C. E. (pessoa física)
US
J. H. (pessoa física)
US
S. M. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
02/09/1988
RPI 903
Publicação do pedido de patente
#3.1
08/19/1986
RPI 826
Pedido de patente depositado
#2.1
03/25/1986
RPI 805
Retificação
#15.3
01/12/1993
RPI 1154
Deferimento
#9.1
08/04/1992
RPI 1131
14.4
02/13/1990
RPI 1006
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