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Official data from INPI

PROCESSO PARA PRODUÇÃO DE AMIDAS CARBOXÍLICAS.

Em AnáliseInvention Patent

Application data

Number

PI8102640

Type

Invention Patent

Filing

04/29/1981

Publication

01/26/1982

Progress at the INPI

  1. Filing04/29/81
  2. Publication01/26/82
  3. Examination02/07/84
  4. Allowance10/15/85
  5. Grant08/26/86
  6. Terminated01/17/89

The patent was granted on 08/26/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Emery Industries, Inc.

Inventors

L. J. (pessoa física)

Z. T. (pessoa física)

Technical data

Priority claims

US

145.925 · 05/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

Concessão da patente

#16.1

08/26/1986

RPI 827

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

02/07/1984

RPI 694

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 103/00; B01J 27/20; C07C 102/04; C07C 233/09; C07C 233/38; C07C 233/65.

03/27/2018

RPI 2464

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