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Official data from INPI

COMPOSIÇÃO NÃO FORMADORA DE FIOS, CURÁVEL POR UMIDADE, DE FUSÃO A QUENTE, PROCESSO PARA UNIR SUBSTRATOS, E MISTURA DE POLÍMEROS COM FUNCIONALIDADE DE HIDROXILA

Prazo de SigiloInvention Patent

Application data

Number

PI8902511

Type

Invention Patent

Filing

06/01/1989

Publication

01/16/1990

Progress at the INPI

Under appeal
  1. Filing06/01/89
  2. Publication01/16/90
  3. Examination02/25/92
  4. Refused07/13/99
  5. Grant
  6. In force

The application was refused by the INPI on 07/13/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

C. I. (pessoa física)

US

L. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

201,169 · 06/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Indeferimento

#9.2

Indeferido com base nos Artigos 25, 37 e 41 da LPI de 14/05/96.

07/13/1999

RPI 1488

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

06/09/1998

RPI 1433

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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