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Official data from INPI

PROCESSO CONTÍNUO PARA POLIMERIZAÇÀO EM MASSA DE UMA SOLUÇÀO DE UM MONÔMERO AROMÁTICO DE MONOALQUENILA TENDO UMA BORRACHA DE DIENO ALI DISSOLVIDA

Em AnáliseInvention Patent

Application data

Number

PI7703471

Type

Invention Patent

Filing

05/27/1977

Publication

-

Progress at the INPI

  1. Filing05/27/77
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant07/26/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

See this company's full portfolio

Inventors

R. S. (pessoa física)

US

T. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

691.184 · 05/28/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/19/1986

RPI 826

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Conhecimento de parecer técnico

#7.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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