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Official data from INPI

PROCESSO PARA A PREPARAÇÃO E COMPOSIÇÃO DE RESINAS ÉSTER VINÍLICAS CONTENDO GRUPOS TRIAZINA OU TANTO GRUPOS TRIAZINA COMO OXAZOLINA.

Em ExigênciaInvention Patent

Application data

Number

PI8407303

Type

Invention Patent

Filing

10/25/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing10/25/84
  2. Publication03/25/86
  3. Examination09/01/87
  4. Allowance03/20/90
  5. Grant11/27/90
  6. Terminated09/12/95

The patent was granted on 11/27/1990 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

590.819 · 03/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Notificação de entrada na fase nacional - PCT

#1.3

03/25/1986

RPI 805

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

07/31/1990

RPI 1026

Deferimento

#9.1

03/20/1990

RPI 1010

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