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Official data from INPI

PROCESSO DE TRATAMENTO DE UMA EMULSÃO DE UM OU MAIS MONÔMEROS

Em ExigênciaInvention Patent

Application data

Number

PI8501656

Type

Invention Patent

Filing

04/09/1985

Publication

12/10/1985

Progress at the INPI

  1. Filing04/09/85
  2. Publication12/10/85
  3. Examination01/26/88
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated12/24/96

The patent was granted on 11/26/1991 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

Polysar Limited

CA

See this company's full portfolio

Inventors

M. T. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

598.927 · 04/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/16/1989

RPI 969

Solicitação de exame técnico

#4.1

01/26/1988

RPI 901

Publicação do pedido de patente

#3.1

12/10/1985

RPI 790

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

14.1

05/29/1990

RPI 1020

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