BR8401722A - Processo para controlar a formacao de incrustacao de sal de ion formador de dureza;copolimero soluvel em agua para esse controle;processo para dispersar materiais inorganicos em particulas e processo para dispersar uma suspensao aquosa - Google Patents
Processo para controlar a formacao de incrustacao de sal de ion formador de dureza;copolimero soluvel em agua para esse controle;processo para dispersar materiais inorganicos em particulas e processo para dispersar uma suspensao aquosaInfo
- Publication number
- BR8401722A BR8401722A BR8401722A BR8401722A BR8401722A BR 8401722 A BR8401722 A BR 8401722A BR 8401722 A BR8401722 A BR 8401722A BR 8401722 A BR8401722 A BR 8401722A BR 8401722 A BR8401722 A BR 8401722A
- Authority
- BR
- Brazil
- Prior art keywords
- control
- formation
- copolimer
- dispute
- disperse
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Medicinal Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing Of Solid Wastes (AREA)
- Colloid Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Graft Or Block Polymers (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Stringed Musical Instruments (AREA)
- Paper (AREA)
- Glanulating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48556083A | 1983-04-15 | 1983-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8401722A true BR8401722A (pt) | 1984-11-20 |
Family
ID=23928625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8401722A BR8401722A (pt) | 1983-04-15 | 1984-04-13 | Processo para controlar a formacao de incrustacao de sal de ion formador de dureza;copolimero soluvel em agua para esse controle;processo para dispersar materiais inorganicos em particulas e processo para dispersar uma suspensao aquosa |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0122789B2 (pt) |
JP (1) | JPS59199100A (pt) |
AT (1) | ATE23544T1 (pt) |
AU (1) | AU575818B2 (pt) |
BR (1) | BR8401722A (pt) |
CA (1) | CA1217691A (pt) |
DE (1) | DE3461285D1 (pt) |
DK (1) | DK192684A (pt) |
FI (1) | FI80282C (pt) |
MX (3) | MX167367B (pt) |
NO (1) | NO161796C (pt) |
ZA (1) | ZA842783B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1233938A (en) * | 1984-04-19 | 1988-03-08 | Calgon Corporation | Copolymers of carboxylic monomer and betaine- containing monomer |
JPH0669558B2 (ja) * | 1986-03-14 | 1994-09-07 | 株式会社片山化学工業研究所 | 高炉排ガス集塵水の処理方法 |
CN115926073B (zh) * | 2022-12-02 | 2024-07-02 | 西南石油大学 | 一种纳米碳酸钙改性丙烯酰胺两性共聚物及其制备方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2205822A (en) | 1937-11-10 | 1940-06-25 | Gen Motors Corp | Coil retainer |
US2783200A (en) | 1951-11-03 | 1957-02-26 | Dearborn Chemicals Co | Sludge conditioning and dispersing agents for boiler water treatment |
US3085916A (en) | 1961-10-16 | 1963-04-16 | Zimmie | Method of removing and preventing accumulation in cooling systems |
US3293152A (en) | 1962-08-20 | 1966-12-20 | Commw Scient Ind Res Org | Method for preventing scale deposition |
DE1642817A1 (de) * | 1967-02-23 | 1971-04-29 | Dow Chemical Co | Polymeres Flockungsmittel fuer alkalische,waessrige Loesungen |
US3579455A (en) | 1968-08-02 | 1971-05-18 | Grace W R & Co | Machine dishwashing compositions containing sodium polyacrylate |
US3578589A (en) * | 1969-03-17 | 1971-05-11 | Grace W R & Co | Method for treating cooling water |
US3699048A (en) | 1969-07-24 | 1972-10-17 | Benckiser Gmbh Joh A | Process of preventing scale and deposit formation in aqueous systems and product |
US3663448A (en) | 1970-09-25 | 1972-05-16 | Calgon Corp | Inhibiting scale deposition |
US3780208A (en) * | 1972-06-05 | 1973-12-18 | Moore & Co Samuel | Composite hose having a grounding wire enclosed in a sleeve and wrapped about the core tube of the hose |
US3766077A (en) | 1972-08-16 | 1973-10-16 | Chemed Corp | Compositions and method for inhibiting scaling in aqueous systems |
FR2198106A1 (en) | 1972-09-04 | 1974-03-29 | Rhone Progil | Corrosion and scale prevention in cooling systems - using phosphates, zinc salts and acrylic polymers |
US4008164A (en) * | 1974-03-21 | 1977-02-15 | Nalco Chemical Company | Process for scale inhibition |
US4004939A (en) | 1974-03-29 | 1977-01-25 | Uniroyal Inc. | Bisulfite terminated oligomers as dispersing agents |
CA1057943A (en) | 1974-09-18 | 1979-07-10 | Alfred W. Oberhofer | Multipurpose additive for automotive cooling systems |
US4029577A (en) * | 1975-11-17 | 1977-06-14 | Betz Laboratories, Inc. | Polymers for use in water treatment |
DE2643422A1 (de) | 1976-09-21 | 1978-03-30 | Kurita Water Ind Ltd | Wasserbehandlungsmittel und verfahren zur behandlung von wasser |
CA1097555A (en) * | 1976-10-01 | 1981-03-17 | James D. Watson | Polymeric scale inhibitors |
CA1114595A (en) | 1979-04-02 | 1981-12-22 | Joseph J. Schuck | Corrosion inhibitor treatment for boiler water |
US4303568A (en) | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
-
1984
- 1984-04-02 CA CA000451086A patent/CA1217691A/en not_active Expired
- 1984-04-12 AU AU26784/84A patent/AU575818B2/en not_active Expired
- 1984-04-12 MX MX200993A patent/MX167367B/es unknown
- 1984-04-12 NO NO841455A patent/NO161796C/no unknown
- 1984-04-13 EP EP84302529A patent/EP0122789B2/en not_active Expired - Lifetime
- 1984-04-13 AT AT84302529T patent/ATE23544T1/de not_active IP Right Cessation
- 1984-04-13 DE DE8484302529T patent/DE3461285D1/de not_active Expired
- 1984-04-13 ZA ZA842783A patent/ZA842783B/xx unknown
- 1984-04-13 FI FI841495A patent/FI80282C/fi not_active IP Right Cessation
- 1984-04-13 BR BR8401722A patent/BR8401722A/pt not_active IP Right Cessation
- 1984-04-13 DK DK192684A patent/DK192684A/da not_active Application Discontinuation
- 1984-04-16 JP JP59076425A patent/JPS59199100A/ja active Pending
-
1991
- 1991-10-24 MX MX9101750A patent/MX9101750A/es unknown
- 1991-10-24 MX MX9101751A patent/MX9101751A/es unknown
Also Published As
Publication number | Publication date |
---|---|
DE3461285D1 (en) | 1987-01-02 |
DK192684D0 (da) | 1984-04-13 |
FI80282B (fi) | 1990-01-31 |
CA1217691A (en) | 1987-02-10 |
ZA842783B (en) | 1985-06-26 |
DK192684A (da) | 1984-10-16 |
FI80282C (fi) | 1990-05-10 |
MX167367B (es) | 1993-03-17 |
EP0122789A1 (en) | 1984-10-24 |
AU575818B2 (en) | 1988-08-11 |
FI841495A (fi) | 1984-10-16 |
NO841455L (no) | 1984-10-16 |
JPS59199100A (ja) | 1984-11-12 |
EP0122789B1 (en) | 1986-11-12 |
AU2678484A (en) | 1984-10-18 |
NO161796C (no) | 1989-09-27 |
MX9101751A (es) | 1994-01-31 |
NO161796B (no) | 1989-06-19 |
FI841495A0 (fi) | 1984-04-13 |
EP0122789B2 (en) | 1993-05-26 |
ATE23544T1 (de) | 1986-11-15 |
MX9101750A (es) | 1994-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 13/04/99 |