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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ISOCIANATOS, COMPOSTO E COMPOSIÇÃO CURÁVEL

PublicadaInvention Patent

Application data

Number

PI8705869

Type

Invention Patent

Filing

11/03/1987

Publication

06/14/1988

Progress at the INPI

Under appeal
  1. Filing11/03/87
  2. Publication06/14/88
  3. Examination10/16/90
  4. Refused04/09/96
  5. Grant
  6. In force

The application was refused by the INPI on 04/09/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

A. F. (pessoa física)

US

P. W. (pessoa física)

US

Technical data

Priority claims

US

926,067 · 11/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/14/1988

RPI 921

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 118/00; C07C 119/042; C08L 67/00; C08G 18/70; C09D 3/81.

03/20/2018

RPI 2463

Indeferimento

#9.2

04/09/1996

RPI 1323

Conhecimento de parecer técnico

#7.1

06/13/1995

RPI 1280

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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