BR8607001A - Processo e composicao de alvejamento - Google Patents

Processo e composicao de alvejamento

Info

Publication number: BR8607001A
Authority: BR; Brazil
Prior art keywords: composition; targeting process; targeting
Prior art date: 1985-11-25

Application number

BR8607001A

Other languages

English (en)

Inventor

Robert E Yant

Arthur L Wolfe

Marilyn M Hurst

Original Assignee

Quantum Technologies Inc

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.)

1985-11-25

Filing date

1986-11-19

Publication date

1987-12-01

1986-11-19 Application filed by Quantum Technologies Inc filed Critical Quantum Technologies Inc

1987-12-01 Publication of BR8607001A publication Critical patent/BR8607001A/pt

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

BR8607001A 1985-11-25 1986-11-19 Processo e composicao de alvejamento BR8607001A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/801,463 US4740212A (en)	1985-11-25	1985-11-25	Process and composition for bleaching cellulosic material with hypochlorous acid
PCT/US1986/002489 WO1987003313A1 (en)	1985-11-25	1986-11-19	Bleaching process and composition

Publications (1)

Publication Number	Publication Date
BR8607001A true BR8607001A (pt)	1987-12-01

Family

ID=25181168

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8607001A BR8607001A (pt)	1985-11-25	1986-11-19	Processo e composicao de alvejamento

Country Status (7)

Country	Link
US (1)	US4740212A (pt)
EP (1)	EP0246314A4 (pt)
JP (1)	JPS63501806A (pt)
BR (1)	BR8607001A (pt)
CA (1)	CA1262501A (pt)
FI (1)	FI87373C (pt)
WO (1)	WO1987003313A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1990014463A1 (en) *	1989-05-15	1990-11-29	Westvaco Corporation	Method for reducing chlorinated compounds produced during chlorination stage bleaching of pulp
DE3923728A1 (de) *	1989-07-18	1991-01-24	Degussa	Verfahren zur stabilisierung der viskositaet von zellstoffen
US5792316A (en) *	1992-02-28	1998-08-11	International Paper Company	Bleaching process for kraft pulp employing high consistency chlorinated pulp treated with gaseous chlorine and ozone
US5273733A (en) *	1992-04-14	1993-12-28	Eka Nobel Inc.	Process for the production of chlorine dioxide
US5350423A (en) *	1992-09-23	1994-09-27	Burlington Industries Inc.	Fabric finishing procedure
FR2724951A1 (fr) *	1994-09-26	1996-03-29	Elysees Balzac Financiere	Materiaux a base de cellulose regeneree presentant une resistance amelioree a l'eau de javel et procede pour leur preparation
US5620563A (en) *	1994-10-31	1997-04-15	Pulp Paper Res Inst	Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator
US5645688A (en) *	1995-01-30	1997-07-08	Vinings Industries, Inc.	Bleaching compositions and processes employing sulfamates and polyaminocarboxylic acids
US5639348A (en) *	1995-01-30	1997-06-17	Vinings Industries, Inc.	Bleaching compositions comprising sulfamates and borates or gluconates and processes
FI99148C (fi) *	1995-12-18	1997-10-10	Metsae Serla Oy	Menetelmä paperimassan valmistamiseksi
US6162371A (en) *	1997-12-22	2000-12-19	S. C. Johnson & Son, Inc.	Stabilized acidic chlorine bleach composition and method of use
EP2655732B1 (en) *	2010-12-22	2014-12-03	Akzo Nobel Chemicals International B.V.	Process for improving chlorine dioxide bleaching of pulp
FI123926B (en)	2012-04-03	2013-12-13	Upm Kymmene Corp	Pulp bleaching procedure
JP6197717B2 (ja) *	2014-03-25	2017-09-20	王子ホールディングス株式会社	溶解パルプの製造方法
US9512560B2 (en)	2014-10-31	2016-12-06	Quantum Technologies, Inc.	Short oxygen delignification method
JP6580116B2 (ja) *	2017-12-20	2019-09-25	ユニ・チャーム株式会社	リサイクルパルプ繊維の製造方法
CA3128539A1 (en) *	2020-12-11	2022-06-11	Sixring Inc.	Combination approach to delignification of biomass under ambient conditions
CA3102541A1 (en) *	2020-12-11	2022-06-11	Sixring Inc.	Novel approach to biomass delignification
CA3102944A1 (en)	2020-12-18	2022-06-18	Sixring Inc.	Novel approach to biomass delignification

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2070893A (en) *	1935-05-10	1937-02-16	Glass Hugh Bryson	Process for improving the color of wood pulp
US2174534A (en) *	1936-04-22	1939-10-03	Du Pont	Chemical process
FR821563A (fr) *	1936-08-14	1937-12-08	Electrochlore	Procédé de blanchiment des ligno et ligno-photo-celluloses
US2178696A (en) *	1938-02-03	1939-11-07	Pittsburgh Plate Glass Co	Material treatment
US2239606A (en) *	1938-08-25	1941-04-22	West Virginia Pulp & Paper Co	Method of bleaching kraft pulp
US2478379A (en) *	1948-07-30	1949-08-09	Hercules Powder Co Ltd	Cellulose bleaching
BE578918A (pt) *	1958-06-11
US3177111A (en) *	1962-12-06	1965-04-06	Weyerhaeuser Co	Hypochlorite sulfamic acid process of bleaching cellulosic materials
US3308012A (en) *	1963-08-19	1967-03-07	Du Pont	Use of sulfamic acid in chlorination step of multistage bleaching process
US3767586A (en) *	1971-09-10	1973-10-23	Du Pont	Process for preparing stable aqueous solutions of n halo compounds
JPS5318602B2 (pt) *	1973-07-20	1978-06-16
US4096029A (en) *	1976-04-26	1978-06-20	The Dow Chemical Company	Cellulosic pulp delignification using an acidic bromine-chlorine mixture
US4248663A (en) *	1978-07-05	1981-02-03	Pulp And Paper Research Institute Of Canada	Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound
US4298428A (en) *	1980-08-07	1981-11-03	Nalco Chemical Company	Use of additives in pulp bleaching processes to preserve pulp strength
US4295928A (en) *	1980-08-07	1981-10-20	Nalco Chemical Company	Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching
JPS57191387A (en) *	1981-05-18	1982-11-25	Kogyo Gijutsuin	Multi-stage bleaching of mixed regenerated pulp
JPS58186689A (ja) *	1982-04-22	1983-10-31	三菱瓦斯化学株式会社	化学パルプの漂白方法
FR2552125B1 (fr) *	1983-09-16	1986-03-21	Interox	Procede pour le taitement des matieres cellulosiques par des agents oxydants
US4487656A (en) *	1983-09-30	1984-12-11	Melamine Chemicals, Inc.	Process for bleaching paper pulp using melamine as a viscosity stabilizer
US4484980A (en) *	1983-09-30	1984-11-27	Melamine Chemicals, Inc.	Process for bleaching paper pulp using caffeine or guanine as a viscosity stabilizers

1985
- 1985-11-25 US US06/801,463 patent/US4740212A/en not_active Expired - Fee Related
1986
- 1986-11-19 JP JP61506301A patent/JPS63501806A/ja active Pending
- 1986-11-19 BR BR8607001A patent/BR8607001A/pt unknown
- 1986-11-19 WO PCT/US1986/002489 patent/WO1987003313A1/en not_active Ceased
- 1986-11-19 EP EP19860907201 patent/EP0246314A4/en not_active Withdrawn
- 1986-11-24 CA CA000523644A patent/CA1262501A/en not_active Expired
1987
- 1987-07-23 FI FI873234A patent/FI87373C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0246314A1 (en)	1987-11-25
EP0246314A4 (en)	1988-04-26
JPS63501806A (ja)	1988-07-21
FI873234L (fi)	1987-07-23
FI87373C (fi)	1992-12-28
WO1987003313A1 (en)	1987-06-04
FI87373B (fi)	1992-09-15
FI873234A0 (fi)	1987-07-23
CA1262501A (en)	1989-10-31
US4740212A (en)	1988-04-26

Publication	Publication Date	Title
BR8604471A (pt)	1987-05-19	Composicao moldavel explosiva e processo de preparacao
BR8502659A (pt)	1986-02-12	Processo e produto
BR8606967A (pt)	1987-12-01	Processo de fluoracao de hidrocarboneto e de perfluoracao de um polieter
BR8506886A (pt)	1986-12-09	Tracionador de correia e processo de produzir o mesmo
BR8603063A (pt)	1987-02-17	Processo de coqueificacao de asfalto
BR8606968A (pt)	1987-12-01	Perfluoropolieteres e processo de preparacao dos mesmos
BR8607001A (pt)	1987-12-01	Processo e composicao de alvejamento
BR8604628A (pt)	1987-05-26	Processo para analise de solucoes e aplicacao
BR8907264A (pt)	1991-03-12	Composicao e processo de revestimento de composicao
BR8505052A (pt)	1986-07-29	Bracadeira e processo de conexao de condutores de bracadeira
BR8503703A (pt)	1986-05-06	Processo de depilacao enzimatico
PT84388B (pt)	1989-10-04	Processo e conjunto de enchimento asseptico
BR8601986A (pt)	1987-01-06	Aparelho e processo de injecao
BR8802097A (pt)	1988-11-29	Processo de combustao e aparelhagem de combustao
DK488185A (da)	1986-04-27	N6-benzopyrano- og benzothiopyranoadenosiner
BR8505269A (pt)	1986-07-29	Composicao de catalisador de hidrocraqueamento e processo de hidrocraqueamento
BR8506175A (pt)	1986-08-26	Processo de preparacao de galoborossilicato
BR8403050A (pt)	1986-01-28	Processo de auto-hidrogenacao
BR8504444A (pt)	1986-07-15	Processo de preparacao de poliester
BR8206314A (pt)	1983-09-20	Composicao oral e processo
BR8606724A (pt)	1987-08-11	Process e tunnel de resfriamento
BR8500040A (pt)	1986-04-15	Perfuratriz e processo de perfuracao
BR8605693A (pt)	1987-08-11	Processo de carbonilacao
BR8803637A (pt)	1989-02-08	Processo de preparacao de compostos e composicoes
IT1183116B (it)	1987-10-05	Processo di marcatura