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Official data from INPI

PROCESSO PARA POLIMERIZAÇÀO EM MASSA CONTÍNUA DE UMA SOLUÇÃO COMPREENDENDO UM MONÔMERO, AROMÁTICO DE ALQUENILA TENDO UMA BORRACHA DE DIENO AI DISSOLVIDA

Em AnáliseInvention Patent

Application data

Number

PI8001344

Type

Invention Patent

Filing

03/06/1980

Publication

-

Progress at the INPI

  1. Filing03/06/80
  2. Publication
  3. Examination07/13/82
  4. Allowance05/07/85
  5. Grant12/31/85
  6. Terminated05/17/88

The patent was granted on 12/31/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

See this company's full portfolio

Inventors

B. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

018.388 · 03/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

9.1.3

07/02/1985

RPI 767

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Conhecimento de parecer técnico

#7.1

01/24/1984

RPI 692

Pedido de certificado de adição de invenção

#5.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

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