BR9003954A - Processo de pre-branqueamento ou deslignificacao com oxigenio de polpa kraft - Google Patents

Processo de pre-branqueamento ou deslignificacao com oxigenio de polpa kraft

Info

Publication number: BR9003954A
Authority: BR; Brazil
Prior art keywords: designification; bleaching; kraft pulp; pulp oxygen; oxygen
Prior art date: 1990-08-10

Application number

BR9003954A

Other languages

English (en)

Inventor

Jorge Luiz Colodette

Ana Sabina Santos De Campos

Jose Livio Gomide

Original Assignee

White Martins Gases Ind S A

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-08-10

Filing date

1990-08-10

Publication date

1992-02-25

1990-08-10 Application filed by White Martins Gases Ind S A filed Critical White Martins Gases Ind S A

1990-08-10 Priority to BR9003954A priority Critical patent/BR9003954A/pt

1992-02-07 Priority to ES9200256A priority patent/ES2049165B1/es

1992-02-25 Publication of BR9003954A publication Critical patent/BR9003954A/pt

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
BR9003954A BR9003954A (pt)	1990-08-10	1990-08-10	Processo de pre-branqueamento ou deslignificacao com oxigenio de polpa kraft
ES9200256A ES2049165B1 (es)	1990-08-10	1992-02-07	Procedimiento para pre-blanquear o deslignificar pasta kraft empleando oxigeno.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR9003954A BR9003954A (pt)	1990-08-10	1990-08-10	Processo de pre-branqueamento ou deslignificacao com oxigenio de polpa kraft

Publications (1)

Publication Number	Publication Date
BR9003954A true BR9003954A (pt)	1992-02-25

Family

ID=4050058

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9003954A BR9003954A (pt)	1990-08-10	1990-08-10	Processo de pre-branqueamento ou deslignificacao com oxigenio de polpa kraft

Country Status (1)

Country	Link
BR (1)	BR9003954A (pt)

1990
- 1990-08-10 BR BR9003954A patent/BR9003954A/pt not_active Application Discontinuation

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Legal Events

Date	Code	Title	Description
1998-06-16	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2000-01-18	FC	Decision: refusal