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Official data from INPI

PROCESSO DE PREPARAÇÃO DE ÉSTERES DE ÁCIDOS BENZOXAZOLIL- E BENZOTIAZOLIL-ÓXI-PROPIÔNICOS

DeferidaInvention Patent

Application data

Number

PI8305451

Type

Invention Patent

Filing

10/03/1983

Publication

05/15/1984

Progress at the INPI

  1. Filing10/03/83
  2. Publication05/15/84
  3. Examination04/15/86
  4. Allowance08/15/89
  5. Grant04/24/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. Z. (pessoa física)

DE

D. M. (pessoa física)

DE

D. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 32 36 730.9 · 10/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

9.1.3

10/17/1989

RPI 991

Deferimento

#9.1

08/15/1989

RPI 982

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

04/15/1986

RPI 808

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 03/10/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/13/1990

RPI 1006

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