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Official data from INPI

PROCESSOS PARA A PRODUÇÃO DE UM POLIÉTER E DE UM POLIÉTER POLIOL, ELASTÔMERO SEGMENTADO E POLIURETANO

ArquivadaInvention Patent

Application data

Number

PI9000677

Type

Invention Patent

Filing

02/14/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing02/14/90
  2. Publication01/15/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/14/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/16/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arco Chemical Technology, Inc

US

Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

310.187 · 02/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/16/1993

RPI 1163

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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