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"Desiccant Based Honeycomb Chemical Filter And Method Of Manufacture Thereof"
Abstract: The present invention relates to a chemical filter for removal of contaminants from air present in industrial or domestic environments. The contaminants to be removed are typically gaseous contaminants but can also comprise contaminants in the form of fine liquid droplets which are not easily removable by conventional means.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
20 January 2012
Publication Number
11/2013
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
patent@saikrishnaassociates.com
Parent Application
Applicants
DESICCANT ROTORS INTERNATIONAL PVT. LTD.
20, RAJPUR ROAD, DELHI-110054, INDIA
Inventors
1. PAHWA, DEEPAK
20, RAJPUR ROAD, DELHI-110054, INDIA
2. CHOUDHARY, ANIL, KUMAR
I-39, 2ND FLOOR, SOUTH CITY-II, SOHNA ROAD, GURGAON, HARYANA, INDIA
Specification
The present invention provides a desiccant based honeycomb chemical filter comprising
a matrix formed of a substrate having a desiccant generated in situ or deposited
thereon, said desiccant being selected from the group consisting of metal silicates, silica
gel, molecular sieves, activated alumina, activated carbon or hydrophobic zeolite, and
any mixture thereof, said substrate being further impregnated with one or more of an
oxidizing agent, or an alkali metal hydroxide, or strong or weak acid(s), or reducing
agents.
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 178-del-2012-Correspondence-Others-(28-02-2012).pdf | 2012-02-28 |
| 1 | 178-DEL-2012-Others-130224.pdf | 2024-03-15 |
| 2 | 178-DEL-2012-Correspondence-130224.pdf | 2024-03-13 |
| 2 | 178-del-2012-Form-3.pdf | 2012-08-30 |
| 3 | 178-DEL-2012-Written submissions and relevant documents [17-01-2024(online)].pdf | 2024-01-17 |
| 3 | 178-del-2012-Form-2.pdf | 2012-08-30 |
| 4 | 178-del-2012-Form-1.pdf | 2012-08-30 |
| 4 | 178-DEL-2012-Correspondence to notify the Controller [09-01-2024(online)].pdf | 2024-01-09 |
| 5 | 178-DEL-2012-US(14)-ExtendedHearingNotice-(HearingDate-11-01-2024).pdf | 2024-01-03 |
| 5 | 178-del-2012-Description (Provisional).pdf | 2012-08-30 |
| 6 | 178-DEL-2012-Written submissions and relevant documents [02-01-2024(online)].pdf | 2024-01-02 |
| 6 | 178-del-2012-Abstract.pdf | 2012-08-30 |
| 7 | 178-del-2012-Form-5-(21-01-2013).pdf | 2013-01-21 |
| 7 | 178-DEL-2012-Correspondence to notify the Controller [15-12-2023(online)].pdf | 2023-12-15 |
| 8 | 178-DEL-2012-US(14)-HearingNotice-(HearingDate-21-12-2023).pdf | 2023-11-30 |
| 8 | 178-del-2012-Form-3-(21-01-2013).pdf | 2013-01-21 |
| 9 | 178-DEL-2012-FER_SER_REPLY [14-11-2022(online)].pdf | 2022-11-14 |
| 9 | 178-del-2012-Form-2-(21-01-2013).pdf | 2013-01-21 |
| 10 | 178-del-2012-Form-13-(21-01-2013).pdf | 2013-01-21 |
| 10 | 178-DEL-2012-Response to office action [13-11-2022(online)].pdf | 2022-11-13 |
| 11 | 178-del-2012-Correspondence Others-(21-01-2013).pdf | 2013-01-21 |
| 11 | 178-DEL-2012-EVIDENCE FOR REGISTRATION UNDER SSI [12-11-2022(online)].pdf | 2022-11-12 |
| 12 | 178-DEL-2012-FORM 3 [12-11-2022(online)].pdf | 2022-11-12 |
| 12 | 178-del-2012-ur-Form-9-(14-03-2013).pdf | 2013-03-14 |
| 13 | 178-DEL-2012-FORM FOR SMALL ENTITY [12-11-2022(online)].pdf | 2022-11-12 |
| 13 | 178-del-2012-ur-Form-18-(14-03-2013).pdf | 2013-03-14 |
| 14 | 178-DEL-2012-PETITION UNDER RULE 137 [12-11-2022(online)].pdf | 2022-11-12 |
| 14 | 178-del-2012-ur-Correspondence Others-(14-03-2013).pdf | 2013-03-14 |
| 15 | 178-DEL-2012-FORM 13 [12-02-2022(online)].pdf | 2022-02-12 |
| 15 | 178-DEL-2012-Form-9-(14-03-2013).pdf | 2013-03-14 |
| 16 | 178-DEL-2012-Form-18-(14-03-2013).pdf | 2013-03-14 |
| 16 | 178-DEL-2012-POA [12-02-2022(online)].pdf | 2022-02-12 |
| 17 | 178-DEL-2012-RELEVANT DOCUMENTS [12-02-2022(online)].pdf | 2022-02-12 |
| 17 | 178-DEL-2012-Correspondence Others-(14-03-2013).pdf | 2013-03-14 |
| 18 | 178-DEL-2012-FORM-26 [05-02-2022(online)].pdf | 2022-02-05 |
| 18 | 178-del-2012-GPA-(10-09-2013).pdf | 2013-09-10 |
| 19 | 178-DEL-2012-AbandonedLetter.pdf | 2018-08-13 |
| 19 | 178-del-2012-Correspondence Others-(10-09-2013).pdf | 2013-09-10 |
| 20 | 178-del-2012-Correspondence Others-(31-07-2015).pdf | 2015-07-31 |
| 20 | 178-DEL-2012-FER.pdf | 2017-10-06 |
| 21 | 178-del-2012-Correspondence Others-(31-07-2015).pdf | 2015-07-31 |
| 21 | 178-DEL-2012-FER.pdf | 2017-10-06 |
| 22 | 178-DEL-2012-AbandonedLetter.pdf | 2018-08-13 |
| 22 | 178-del-2012-Correspondence Others-(10-09-2013).pdf | 2013-09-10 |
| 23 | 178-DEL-2012-FORM-26 [05-02-2022(online)].pdf | 2022-02-05 |
| 23 | 178-del-2012-GPA-(10-09-2013).pdf | 2013-09-10 |
| 24 | 178-DEL-2012-RELEVANT DOCUMENTS [12-02-2022(online)].pdf | 2022-02-12 |
| 24 | 178-DEL-2012-Correspondence Others-(14-03-2013).pdf | 2013-03-14 |
| 25 | 178-DEL-2012-Form-18-(14-03-2013).pdf | 2013-03-14 |
| 25 | 178-DEL-2012-POA [12-02-2022(online)].pdf | 2022-02-12 |
| 26 | 178-DEL-2012-FORM 13 [12-02-2022(online)].pdf | 2022-02-12 |
| 26 | 178-DEL-2012-Form-9-(14-03-2013).pdf | 2013-03-14 |
| 27 | 178-DEL-2012-PETITION UNDER RULE 137 [12-11-2022(online)].pdf | 2022-11-12 |
| 27 | 178-del-2012-ur-Correspondence Others-(14-03-2013).pdf | 2013-03-14 |
| 28 | 178-DEL-2012-FORM FOR SMALL ENTITY [12-11-2022(online)].pdf | 2022-11-12 |
| 28 | 178-del-2012-ur-Form-18-(14-03-2013).pdf | 2013-03-14 |
| 29 | 178-DEL-2012-FORM 3 [12-11-2022(online)].pdf | 2022-11-12 |
| 29 | 178-del-2012-ur-Form-9-(14-03-2013).pdf | 2013-03-14 |
| 30 | 178-del-2012-Correspondence Others-(21-01-2013).pdf | 2013-01-21 |
| 30 | 178-DEL-2012-EVIDENCE FOR REGISTRATION UNDER SSI [12-11-2022(online)].pdf | 2022-11-12 |
| 31 | 178-del-2012-Form-13-(21-01-2013).pdf | 2013-01-21 |
| 31 | 178-DEL-2012-Response to office action [13-11-2022(online)].pdf | 2022-11-13 |
| 32 | 178-DEL-2012-FER_SER_REPLY [14-11-2022(online)].pdf | 2022-11-14 |
| 32 | 178-del-2012-Form-2-(21-01-2013).pdf | 2013-01-21 |
| 33 | 178-del-2012-Form-3-(21-01-2013).pdf | 2013-01-21 |
| 33 | 178-DEL-2012-US(14)-HearingNotice-(HearingDate-21-12-2023).pdf | 2023-11-30 |
| 34 | 178-DEL-2012-Correspondence to notify the Controller [15-12-2023(online)].pdf | 2023-12-15 |
| 34 | 178-del-2012-Form-5-(21-01-2013).pdf | 2013-01-21 |
| 35 | 178-del-2012-Abstract.pdf | 2012-08-30 |
| 35 | 178-DEL-2012-Written submissions and relevant documents [02-01-2024(online)].pdf | 2024-01-02 |
| 36 | 178-del-2012-Description (Provisional).pdf | 2012-08-30 |
| 36 | 178-DEL-2012-US(14)-ExtendedHearingNotice-(HearingDate-11-01-2024).pdf | 2024-01-03 |
| 37 | 178-del-2012-Form-1.pdf | 2012-08-30 |
| 37 | 178-DEL-2012-Correspondence to notify the Controller [09-01-2024(online)].pdf | 2024-01-09 |
| 38 | 178-DEL-2012-Written submissions and relevant documents [17-01-2024(online)].pdf | 2024-01-17 |
| 38 | 178-del-2012-Form-2.pdf | 2012-08-30 |
| 39 | 178-del-2012-Form-3.pdf | 2012-08-30 |
| 39 | 178-DEL-2012-Correspondence-130224.pdf | 2024-03-13 |
| 40 | 178-DEL-2012-Others-130224.pdf | 2024-03-15 |
| 40 | 178-del-2012-Correspondence-Others-(28-02-2012).pdf | 2012-02-28 |
Search Strategy
| 1 | 178DEL2012_05-10-2017.pdf |