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Official data from INPI

PROCESSO DE FABRICAÇÃO DE UMA RESINA TERMOPLÁSTICA RESISTENTE AO CHOQUE

Em AnáliseInvention Patent

Application data

Number

PI8804182

Type

Invention Patent

Filing

08/09/1988

Publication

-

Progress at the INPI

  1. Filing08/09/88
  2. Publication
  3. Examination07/30/91
  4. Allowance03/12/96
  5. Grant04/29/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elf Atochem S.A

FR

Norsolor S.A.

FR

See this company's full portfolio

Inventors

G. R. (pessoa física)

FR

P. H. (pessoa física)

FR

Technical data

Priority claims

FR

87/11759 · 08/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.4

12/13/1988

RPI 947

Carta-patente expirada

#21.1

Patente extinta em 09/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/29/1997

RPI 1378

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Notificação para pagamento de retribuição

#13.1

10/01/1996

RPI 1348

Deferimento

#9.1

03/12/1996

RPI 1319

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

14.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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