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Official data from INPI

PROCESSO PARA PRODUZIR UMA LACTONA

PublicadaInvention Patent

Application data

Number

PI8801834

Type

Invention Patent

Filing

04/15/1988

Publication

01/24/1989

Progress at the INPI

  1. Filing04/15/88
  2. Publication01/24/89
  3. Examination09/25/90
  4. Allowance09/05/95
  5. Grant04/30/96
  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: 01/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

JP

M. C. (pessoa física)

JP

See this company's full portfolio

Inventors

K. W. (pessoa física)

JP

K. S. (pessoa física)

JP

Y. H. (pessoa física)

JP

Technical data

Priority claims

JP

095682/1987 · 04/18/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/24/1989

RPI 953

14.4

10/25/1988

RPI 940

Pedido de patente depositado

#2.1

09/06/1988

RPI 933

Carta-patente expirada

#21.1

Patente extinta em 15/04/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

12/30/1997

RPI 1410

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/05/1995

RPI 1292

Exigência - art. 36 da LPI

#6.1

09/13/1994

RPI 1241

Exigência - art. 36 da LPI

#6.1

02/08/1994

RPI 1210

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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