DE69405949D1 - Quaternäre Verbindungen als Weissgradverstärker - Google Patents
Quaternäre Verbindungen als WeissgradverstärkerInfo
- Publication number
- DE69405949D1 DE69405949D1 DE69405949T DE69405949T DE69405949D1 DE 69405949 D1 DE69405949 D1 DE 69405949D1 DE 69405949 T DE69405949 T DE 69405949T DE 69405949 T DE69405949 T DE 69405949T DE 69405949 D1 DE69405949 D1 DE 69405949D1
- Authority
- DE
- Germany
- Prior art keywords
- quaternary compounds
- whiteness enhancers
- whiteness
- enhancers
- quaternary
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/097,696 US5458737A (en) | 1993-07-27 | 1993-07-27 | Quaternary compounds as brightness enhancers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69405949D1 true DE69405949D1 (de) | 1997-11-06 |
DE69405949T2 DE69405949T2 (de) | 1998-01-22 |
Family
ID=22264695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69405949T Expired - Fee Related DE69405949T2 (de) | 1993-07-27 | 1994-07-26 | Quaternäre Verbindungen als Weissgradverstärker |
Country Status (4)
Country | Link |
---|---|
US (1) | US5458737A (de) |
EP (1) | EP0639666B1 (de) |
CA (1) | CA2128832A1 (de) |
DE (1) | DE69405949T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19510278C2 (de) * | 1994-03-22 | 1997-03-13 | Brueggemann L Kg | Bleichmittel und dessen Verwendung zur Bleiche von Sekundärfaserstoffen für die Papierherstellung |
DE19631150B4 (de) * | 1996-08-01 | 2007-04-19 | Süd-Chemie AG | Verfahren zur Ablösung von Druckfarben (Deinking) von cellulosehaltigen Druckträgern |
US6120554A (en) * | 1998-02-02 | 2000-09-19 | American Renewable Resources Llc | Catalyzed alkaline hydrogen peroxide bleaching of dye-containing cellulose textiles |
US6702921B2 (en) * | 2001-05-01 | 2004-03-09 | Ondeo Nalco Company | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent |
US20030056296A1 (en) * | 2001-09-26 | 2003-03-27 | Hirsch Gary F. | Dye removal from denim scrap with a forced circulation kier |
EP1590525B1 (de) * | 2003-02-05 | 2006-10-25 | Pulp and Paper Research Institute of Canada | Verfahren zur bleichung und helligkeitsstabilisierung von lignocellulosehaltigen materialien mit wasserlöslichen phosphinen oder phosphoniumverbindungen |
US9068293B2 (en) * | 2005-09-19 | 2015-06-30 | Nalco Company | Method for improving brightness in bleached pulp |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2019124A (en) * | 1935-10-29 | Stripping agent | ||
US1572478A (en) * | 1925-03-12 | 1926-02-09 | Hammond Grant | Process for reclaiming used paper |
US1923178A (en) * | 1930-03-20 | 1933-08-22 | Ig Farbenindustrie Ag | Hydroxy alkyl ethers of tertiary amines and process of preparing same |
GB400239A (en) * | 1932-03-19 | 1933-10-19 | Ici Ltd | Improvements in stripping dyed textiles |
US2218479A (en) * | 1936-10-21 | 1940-10-15 | Floyd C Peterson | Pulping process |
US2164930A (en) * | 1937-11-10 | 1939-07-04 | Du Pont | Process for reducing vat dyestuffs |
US2248128A (en) * | 1939-05-10 | 1941-07-08 | Celanese Corp | Production of pattern effects on textile materials |
US2525770A (en) * | 1946-05-17 | 1950-10-17 | Arkansas Company Inc | Baths for stripping vat-dyed textile materials and agents useful therein |
US2587597A (en) * | 1949-07-14 | 1952-03-04 | Arkansas Company Inc | Process for removal of pigments from printed textiles and agents useful therein |
US2860944A (en) * | 1955-11-28 | 1958-11-18 | Du Pont | Bleaching fibers of vegetable origin with formamidine sulfinate and alkaline peroxide |
US2902453A (en) * | 1955-12-13 | 1959-09-01 | Rohm & Haas | Dye stripping solution |
US2986488A (en) * | 1957-02-27 | 1961-05-30 | Hercules Powder Co Ltd | Method of sizing paper |
US2985500A (en) * | 1957-12-06 | 1961-05-23 | Basf Ag | Dye stripping process employing stabilized hydroxyalkane sulfinic acid baths |
US3074774A (en) * | 1959-10-16 | 1963-01-22 | Arkansas Company Inc | Discharge printing pastes and methods of application involving same |
US3361794A (en) * | 1964-04-03 | 1968-01-02 | Millmaster Onyx Corp | Microbiologically active quaternary ammonium compounds |
US3554862A (en) * | 1968-06-25 | 1971-01-12 | Riegel Textile Corp | Method for producing a fiber pulp sheet by impregnation with a long chain cationic debonding agent |
US3617439A (en) * | 1969-01-02 | 1971-11-02 | Buckeye Cellulose Corp | Process for improving comminution pulp sheets and resulting air-laid absorbent products |
US3666409A (en) * | 1969-01-31 | 1972-05-30 | Mitsubishi Edogawa Kagaku Kk | Method of stabilizing sodium hydrosulfite |
US3591325A (en) * | 1969-04-25 | 1971-07-06 | Arkansas Co Inc | Products and process for removing organic pigments and dyes from dyed and printed natural and synthetic textile materials |
US4013505A (en) * | 1972-03-09 | 1977-03-22 | Vyzkumny Ustav Papieru A Celulosy | Method of deinking printed wastepapers |
US3956165A (en) * | 1973-06-29 | 1976-05-11 | Betz Laboratories, Inc. | Bleaching aid |
US3960649A (en) * | 1974-10-03 | 1976-06-01 | Ventron Corporation | Wood pulp bleaching composition containing sodium hydrosulfite and hexamethylenetetramine |
US4144122A (en) * | 1976-10-22 | 1979-03-13 | Berol Kemi Ab | Quaternary ammonium compounds and treatment of cellulose pulp and paper therewith |
JPS5522067A (en) * | 1978-08-03 | 1980-02-16 | Toyo Pulp Co Ltd | Bleaching of broadleaf tree unbleached kraft pulp |
JPS55121905A (en) * | 1979-03-13 | 1980-09-19 | Mitsubishi Gas Chem Co Inc | Sodium hydrosulfite composition |
US4441962A (en) * | 1980-10-15 | 1984-04-10 | The Procter & Gamble Company | Soft, absorbent tissue paper |
US4444621A (en) * | 1980-11-21 | 1984-04-24 | Mo Och Domsjo Aktiebolag | Process and apparatus for the deresination and brightness improvement of cellulose pulp |
SE439787B (sv) * | 1984-03-19 | 1985-07-01 | Berol Kemi Ab | Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper |
DE3416043C2 (de) * | 1984-04-30 | 1986-12-04 | Akzo Gmbh, 5600 Wuppertal | Verwendung von Carbonsäureestern oder Polyäthern bei der Herstellung von Papier, insbesondere von trocken- oder naßgekreppten Papieren |
US4557801A (en) * | 1984-08-20 | 1985-12-10 | Scott Paper Company | Wet-strengthened cellulosic webs |
US4618400A (en) * | 1984-12-28 | 1986-10-21 | Shell Oil Company | Wastepaper deinking process |
US4666558A (en) * | 1985-12-11 | 1987-05-19 | Shell Oil Company | Process for newspaper deinking using low-foaming surfactant deinking agent |
GB2215350B (en) * | 1988-03-16 | 1992-05-20 | Thiokol Morton Inc | Process for bleaching mechanical wood pulp |
US5013404A (en) * | 1989-11-15 | 1991-05-07 | The Dow Chemical Company | Process for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive |
JPH03294576A (ja) * | 1990-04-09 | 1991-12-25 | Ipposha Oil Ind Co Ltd | 顔料着色繊維の脱色剤及び脱色方法 |
JPH08225489A (ja) * | 1994-11-16 | 1996-09-03 | Mitsubishi Chem Corp | テレフタル酸の製造方法 |
-
1993
- 1993-07-27 US US08/097,696 patent/US5458737A/en not_active Expired - Fee Related
-
1994
- 1994-07-26 EP EP94305520A patent/EP0639666B1/de not_active Expired - Lifetime
- 1994-07-26 DE DE69405949T patent/DE69405949T2/de not_active Expired - Fee Related
- 1994-07-26 CA CA002128832A patent/CA2128832A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US5458737A (en) | 1995-10-17 |
EP0639666B1 (de) | 1997-10-01 |
DE69405949T2 (de) | 1998-01-22 |
EP0639666A1 (de) | 1995-02-22 |
CA2128832A1 (en) | 1995-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CLARIANT FINANCE (BVI) LTD., TORTOLA, VG |
|
8328 | Change in the person/name/address of the agent |
Free format text: SPOTT WEINMILLER & PARTNER, 80336 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |