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Official data from INPI

COMPOSIÇÃO ALCALINA AQUOSA ; PROCESSO PARA REMOÇÃO DE REVESTIMENTOS SECATIVOS DE SUBSTRATOS REVESTIDOS COM OS MESMOS , E , CONCENTRADO AQUOSO PARA USO NA FORMAÇÃO DE UMA SOLUÇÃO ALCALINA AQUOSA.

ArquivadaInvention Patent

Application data

Number

PI8106633

Type

Invention Patent

Filing

10/14/1981

Publication

06/29/1982

Progress at the INPI

  1. Filing10/14/81
  2. Publication06/29/82
  3. Abandoned07/24/84
  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.

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Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMCHEM PRODUCTS, INC.

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Inventors

C. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

197,135 · 10/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

09/15/1987

RPI 882

Conhecimento de parecer técnico

#7.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

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