JPS4974243A - - Google Patents
Info
- Publication number
- JPS4974243A JPS4974243A JP48113371A JP11337173A JPS4974243A JP S4974243 A JPS4974243 A JP S4974243A JP 48113371 A JP48113371 A JP 48113371A JP 11337173 A JP11337173 A JP 11337173A JP S4974243 A JPS4974243 A JP S4974243A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
- C08B11/22—Isolation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
- C08B3/26—Isolation of the cellulose ester
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B9/00—Cellulose xanthate; Viscose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/085—Regeneration of the filter using another chemical than the liquid to be filtered
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Artificial Filaments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29740672A | 1972-10-13 | 1972-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4974243A true JPS4974243A (ja) | 1974-07-17 |
JPS5325346B2 JPS5325346B2 (ja) | 1978-07-26 |
Family
ID=23146189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11337173A Expired JPS5325346B2 (ja) | 1972-10-13 | 1973-10-11 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5325346B2 (ja) |
KR (1) | KR790001111B1 (ja) |
BR (1) | BR7307863D0 (ja) |
CA (1) | CA983655A (ja) |
DE (1) | DE2350386A1 (ja) |
FI (1) | FI56861C (ja) |
FR (1) | FR2202896B1 (ja) |
GB (1) | GB1416617A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188558A (en) * | 1986-04-07 | 1987-10-07 | Plenty Ltd | Filter medium |
-
1973
- 1973-09-24 FI FI2972/73A patent/FI56861C/fi active
- 1973-10-08 DE DE19732350386 patent/DE2350386A1/de active Pending
- 1973-10-09 BR BR7863/73A patent/BR7307863D0/pt unknown
- 1973-10-09 GB GB4703873A patent/GB1416617A/en not_active Expired
- 1973-10-11 JP JP11337173A patent/JPS5325346B2/ja not_active Expired
- 1973-10-11 FR FR7336324A patent/FR2202896B1/fr not_active Expired
- 1973-10-12 CA CA183,274A patent/CA983655A/en not_active Expired
- 1973-10-13 KR KR7301689A patent/KR790001111B1/ko active
Also Published As
Publication number | Publication date |
---|---|
FI56861C (fi) | 1980-04-10 |
GB1416617A (en) | 1975-12-03 |
DE2350386A1 (de) | 1974-04-25 |
BR7307863D0 (pt) | 1974-07-18 |
FR2202896A1 (ja) | 1974-05-10 |
JPS5325346B2 (ja) | 1978-07-26 |
FI56861B (fi) | 1979-12-31 |
KR790001111B1 (ko) | 1979-09-03 |
FR2202896B1 (ja) | 1977-05-27 |
CA983655A (en) | 1976-02-17 |