Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
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Official data from INPI
PROCESSO PARA PRODUÇÃO DE POLIESTIRENO DE ELEVADO PESO MOLECULAR E COMPOSIÇÃO DE MISTURA DE POLÍMERO
PublicadaInvention Patent
Application data
Number
PI8803853Type
Invention Patent
Filing
08/04/1988
Publication
02/21/1989
Progress at the INPI
- Filing08/04/88
- Publication02/21/89
- Abandoned04/09/91
- Allowance
- Grant
- In force
The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Borg-Warner Chemicals, Inc.
US
Inventors
C. M. (pessoa física)
R. W. (pessoa física)
US
R. P. (pessoa física)
R. K. (pessoa física)
Technical data
IPC Classification
Priority claims
US
132.445 · 12/14/1987
US
82.337 · 08/06/1987
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
01/03/1989
RPI 950
Arquivamento - Art. 36 §1° da LPI
#11.2
11/07/1995
RPI 1301
Exigência - art. 36 da LPI
#6.1
02/14/1995
RPI 1263
Solicitação de exame técnico
#4.1
04/09/1991
RPI 1062
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