TW262501B - - Google Patents
Info
- Publication number
- TW262501B TW262501B TW082104541A TW82104541A TW262501B TW 262501 B TW262501 B TW 262501B TW 082104541 A TW082104541 A TW 082104541A TW 82104541 A TW82104541 A TW 82104541A TW 262501 B TW262501 B TW 262501B
- Authority
- TW
- Taiwan
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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C381/00—Compounds containing carbon and sulfur and having functional groups not covered by groups C07C301/00 - C07C337/00
- C07C381/14—Compounds containing a carbon atom having four bonds to hetero atoms with a double bond to one hetero atom and at least one bond to a sulfur atom further doubly-bound to oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15077392 | 1992-06-10 | ||
| JP9949893 | 1993-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW262501B true TW262501B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-11-11 |
Family
ID=26440627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW082104541A TW262501B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-06-10 | 1993-06-08 |
Country Status (8)
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384534A (en) * | 1964-12-16 | 1968-05-21 | Fmc Corp | Bleaching of wood pulps with thiourea dioxide |
| JPS5220971B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-10-18 | 1977-06-07 | ||
| JPS5839155B2 (ja) * | 1978-07-25 | 1983-08-27 | 東海電化工業株式会社 | 二酸化チオ尿素の製造法 |
| JPS5913756A (ja) * | 1982-07-06 | 1984-01-24 | アレキサンダ−・イバノビツチ・クルグロフ | チオウレア二酸化物の製造方法 |
| JPS61194289A (ja) * | 1985-02-25 | 1986-08-28 | 三菱瓦斯化学株式会社 | 古紙の再生方法 |
| US4656270A (en) * | 1985-03-15 | 1987-04-07 | Mcneilab, Inc. | Process for producing guanidines such as linogliride |
| DE3739655A1 (de) * | 1987-11-23 | 1989-06-01 | Sued Chemie Ag | Bleichmittelzusatz |
-
1993
- 1993-06-08 CA CA002113642A patent/CA2113642C/en not_active Expired - Fee Related
- 1993-06-08 AU AU43551/93A patent/AU660104B2/en not_active Ceased
- 1993-06-08 WO PCT/JP1993/000769 patent/WO1993025522A1/ja active IP Right Grant
- 1993-06-08 KR KR1019940700419A patent/KR0140947B1/ko not_active Expired - Lifetime
- 1993-06-08 EP EP93913494A patent/EP0607448B1/en not_active Expired - Lifetime
- 1993-06-08 DE DE69309644T patent/DE69309644T2/de not_active Expired - Fee Related
- 1993-06-08 TW TW082104541A patent/TW262501B/zh not_active IP Right Cessation
-
1994
- 1994-02-09 FI FI940588A patent/FI114486B/fi active IP Right Grant
-
1997
- 1997-10-21 KR KR1019970707480A patent/KR0140901B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0607448B1 (en) | 1997-04-09 |
| WO1993025522A1 (fr) | 1993-12-23 |
| FI114486B (fi) | 2004-10-29 |
| DE69309644D1 (de) | 1997-05-15 |
| DE69309644T2 (de) | 1997-07-24 |
| EP0607448A1 (en) | 1994-07-27 |
| KR0140947B1 (ko) | 1998-07-01 |
| FI940588L (fi) | 1994-02-09 |
| AU4355193A (en) | 1994-01-04 |
| AU660104B2 (en) | 1995-06-08 |
| EP0607448A4 (en) | 1994-09-14 |
| CA2113642C (en) | 1999-11-09 |
| KR0140901B1 (ko) | 1998-07-01 |
| FI940588A0 (fi) | 1994-02-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4A | Expiration of patent term of an invention patent |