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Official data from INPI

PROCESSO DE PREPARAÇÃO DE UM ELASTÔMERO IÔNICO MODIFICADO E MISTURA POLIMÉRICADE EPDM MODIFICADO E NYLON

DeferidaInvention Patent

Application data

Number

PI8502649

Type

Invention Patent

Filing

06/03/1985

Publication

02/12/1986

Progress at the INPI

  1. Filing06/03/85
  2. Publication02/12/86
  3. Examination01/26/88
  4. Allowance11/14/89
  5. Grant06/26/90
  6. Terminated05/21/96

The patent was granted on 06/26/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal Chemical Company, Inc.

US

See this company's full portfolio

Inventors

N. V. (pessoa física)

US

Technical data

Priority claims

US

619,677 · 06/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

01/26/1988

RPI 901

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

08/13/1985

RPI 773

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Licença compulsória (variante)

#20.2

12/29/1992

RPI 1152

Republicação - classificação IPC

#15.11

06/11/1991

RPI 1071

Pedido de licença compulsória

#20.1

04/09/1991

RPI 1062

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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