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Official data from INPI

COMPOSICAO TERMICAMENTE ATIVAVEL COMPREENDENDO UM COMPOSTO ETILENICAMENTE INSATURADO E UM POLITIOL,PROCESSO PARA FORMAR UM PRODUTO DE REACAO,PROCESSO PARA PREPARAR UMA COMPOSICAO ESPESSADA PRE-GELIFICADA,E USO DE UM PINACOL

Em AnáliseInvention Patent
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Application data

Number

PI7700350

Type

Invention Patent

Filing

01/22/1976

Publication

-
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Progress at the INPI

  1. Filing01/22/76
  2. Publication
  3. Examination
  4. Allowance07/21/87
  5. Grant12/29/87
  6. Expired09/21/93

The letters patent expired on 09/21/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GRACE W R & CO

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

C08G 75/00C08G 75/02C08J 5/24C08K 5/05C09D 3/49C09J 159/00C09J 3/16D06M 13/02D06M 13/03D06M 13/248D06M 13/252D06M 15/37D06M 15/63D21H 19/00D21H 19/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/17/1989

RPI 991

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

Exigência - art. 36 da LPI

#6.1

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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