Sign In to Follow Application
View All Documents & Correspondence
View All Documents & Correspondence
"Method For Inhibiting Scale Formation And Deposition In Membrane Systems Via The Use Of An Aa Amps
Abstract: A method of inhibiting scale formation and deposition from a feed stream passing through a membrane system is disclosed. The method comprises: (a) controlling the pH of said feed stream within the range between about 7.0 and about 8.2; (b) optionally controlling the temperature of said feed stream within the range between about 5°C to about 40° C when the membrane system is an RO system, a NF system, an ED system, an EDI system or a combination thereof; (c) optionally controlling the temperature of said feed stream within the range between about 400C and about 800C when the membrane system is an MD system; and (d) adding an effective amount of a scale inhibitor to said feed stream, said scale inhibitor comprises an AA - AMPS copolymer.
Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
24 February 2011
Publication Number
49/2011
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-01-27
Renewal Date
Applicants
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS 60563-1198, UNITED STATES OF AMERICA;
Inventors
1. MUSALE, DEEPAK A.
3240 HAVERHILL DRIVE, AURORA, IL 60502, UNITED STATES OF AMERICA;
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1365-DELNP-2011-Form-18-(08-03-2011).pdf | 2011-03-08 |
| 1 | 279633-PATENT CERTIFICATE-270117.pdf | 2024-07-30 |
| 2 | 1365-DELNP-2011-RELEVANT DOCUMENTS [03-10-2023(online)].pdf | 2023-10-03 |
| 2 | 1365-DELNP-2011-Correspondence-Others-(08-03-2011).pdf | 2011-03-08 |
| 3 | 1365-delnp-2011-Correspondence-Others-(15-04-2011).pdf | 2011-04-15 |
| 3 | 1365-DELNP-2011-RELEVANT DOCUMENTS [26-09-2022(online)].pdf | 2022-09-26 |
| 4 | 1365-DELNP-2011-RELEVANT DOCUMENTS [21-07-2021(online)].pdf | 2021-07-21 |
| 4 | 1365-delnp-2011-Assignment-(15-04-2011).pdf | 2011-04-15 |
| 5 | 1365-DELNP-2011-RELEVANT DOCUMENTS [28-03-2020(online)].pdf | 2020-03-28 |
| 5 | 1365-DELNP-2011-Form-3-(05-08-2011).pdf | 2011-08-05 |
| 6 | 1365-DELNP-2011-RELEVANT DOCUMENTS [27-03-2020(online)].pdf | 2020-03-27 |
| 6 | 1365-DELNP-2011-Correspondence-Others-(05-08-2011).pdf | 2011-08-05 |
| 7 | 1365-DELNP-2011-RELEVANT DOCUMENTS [26-03-2019(online)].pdf | 2019-03-26 |
| 7 | 1365-delnp-2011-Form-5.pdf | 2011-09-30 |
| 8 | 1365-delnp-2011-Form-3.pdf | 2011-09-30 |
| 8 | 1365-DELNP-2011-RELEVANT DOCUMENTS [22-03-2019(online)].pdf | 2019-03-22 |
| 9 | 1365-delnp-2011-Form-2.pdf | 2011-09-30 |
| 9 | 279633-1365-DELNP-2011.pdf | 2018-12-10 |
| 10 | 1365-delnp-2011-Form-1.pdf | 2011-09-30 |
| 11 | 1365-delnp-2011-Drawings.pdf | 2011-09-30 |
| 12 | 1365-delnp-2011-Description (Complete).pdf | 2011-09-30 |
| 13 | 1365-delnp-2011-Correspondence-others.pdf | 2011-09-30 |
| 14 | 1365-delnp-2011-Claims.pdf | 2011-09-30 |
| 15 | 1365-delnp-2011-Abstract.pdf | 2011-09-30 |
| 16 | 1365-delnp-2011-Others-(06-01-2014).pdf | 2014-01-06 |
| 17 | 1365-delnp-2011-Correspondence Others-(06-01-2015).pdf | 2015-01-06 |
| 18 | 1365-delnp-2011-Marked-Claims-(11-03-2015).pdf | 2015-03-11 |
| 19 | 1365-delnp-2011-GPA-(11-03-2015).pdf | 2015-03-11 |
| 20 | 1365-delnp-2011-Description (Complete)-(11-03-2015).pdf | 2015-03-11 |
| 21 | 1365-delnp-2011-Correspondance Others-(11-03-2015).pdf | 2015-03-11 |
| 22 | 1365-delnp-2011-Claims-(11-03-2015).pdf | 2015-03-11 |
| 23 | 1365-DELNP-2011_EXAMREPORT.pdf | 2016-06-30 |
| 24 | 1365-DELNP-2011-RELEVANT DOCUMENTS [17-03-2018(online)].pdf | 2018-03-17 |
| 25 | 1365-DELNP-2011-RELEVANT DOCUMENTS [27-03-2018(online)].pdf | 2018-03-27 |
| 26 | 279633-1365-DELNP-2011.pdf | 2018-12-10 |
| 27 | 1365-DELNP-2011-RELEVANT DOCUMENTS [22-03-2019(online)].pdf | 2019-03-22 |
| 28 | 1365-DELNP-2011-RELEVANT DOCUMENTS [26-03-2019(online)].pdf | 2019-03-26 |
| 29 | 1365-DELNP-2011-RELEVANT DOCUMENTS [27-03-2020(online)].pdf | 2020-03-27 |
| 30 | 1365-DELNP-2011-RELEVANT DOCUMENTS [28-03-2020(online)].pdf | 2020-03-28 |
| 31 | 1365-DELNP-2011-RELEVANT DOCUMENTS [21-07-2021(online)].pdf | 2021-07-21 |
| 32 | 1365-DELNP-2011-RELEVANT DOCUMENTS [26-09-2022(online)].pdf | 2022-09-26 |
| 33 | 1365-DELNP-2011-RELEVANT DOCUMENTS [03-10-2023(online)].pdf | 2023-10-03 |
| 34 | 279633-PATENT CERTIFICATE-270117.pdf | 2024-07-30 |