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Official data from INPI

DISPERSÃO AQUOSA DE UM POLIURETANO NÃO IÔNICO DISPERSÍVEL EM ÁGUA

PublicadaInvention Patent

Application data

Number

PI8804739

Type

Invention Patent

Filing

09/14/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/14/88
  2. Publication04/18/89
  3. Abandoned07/16/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Americas, Inc.

US

Zeneca, Inc.

US

See this company's full portfolio

Inventors

R. B. (pessoa física)

R. C. (pessoa física)

Technical data

Priority claims

GB

87 21533 · 09/14/1987

GB

8820504.2 · 08/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09D 3/72; C08L 75/04; C08L 51/06.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1996

RPI 1359

Exigência - art. 36 da LPI

#6.1

03/26/1996

RPI 1321

14.4

12/20/1994

RPI 1255

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

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