(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

POLIURETANO MODIFICADO DISPERSÍVEL EM ÁGUA E PROCESSO PARA PREPARAR O MESMO, COMPOSIÇÃO AQUOSA ESPESSADA E PROCESSO PARA UUMENTAR A VISCOSIDADE DE CISALHAMENTO ELEVADA DE COMPOSIÇÃO AQUOSA

ArquivadaInvention PatentPCT · US1988002994
Talk to an expert

Application data

Number

PI8807704

Type

Invention Patent

Filing

09/07/1988

Publication

07/31/1990

PCT

US1988002994
View on INPI

Progress at the INPI

  1. Filing09/07/88
  2. Publication07/31/90
  3. Abandoned07/23/91
  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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NL Chemicals, Inc

US

Inventors

B. C. (pessoa física)

U. K. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

C08G 18/48C08G 18/66C08G 18/71

Priority claims

US

098.146 · 09/18/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/28/1995

RPI 1304

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

14.1

03/23/1993

RPI 1164

14.4

03/16/1993

RPI 1163

Retificação

#15.6

11/10/1992

RPI 1145

Retificação

#15.3

06/16/1992

RPI 1124

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

Notificação de entrada na fase nacional - PCT

#1.3

07/31/1990

RPI 1026

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.