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Official data from INPI

PROCESSO PARA A POLIMERIZAÇÀO CONTÍNUA EM MASSA DE POLIMISTURAS QUE TÊM UMA FASE DE BORRACHA, DISPERSA EM FORMA DE PARTÍCULAS DE BORRACHA, COM UMA DISTRIBUIÇÀO DE TAMANHO DE PARTÍCULAS BIMODAL

Concessão AnuladaInvention Patent

Application data

Number

PI7904981

Type

Invention Patent

Filing

08/03/1979

Publication

-

Progress at the INPI

  1. Filing08/03/79
  2. Publication
  3. Examination12/08/81
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Terminated09/25/90

The patent was granted on 10/25/1983 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: 01/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

See this company's full portfolio

Inventors

M. T. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

930.958 · 08/04/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

01/10/1984

RPI 690

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

6.2

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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