DE4091124T1 - PHOTOGRAPHIC METHOD FOR DEGRADING OXIDES OF NITROGEN INTO ENVIRONMENTALLY FRIENDLY PRODUCTS - Google Patents
PHOTOGRAPHIC METHOD FOR DEGRADING OXIDES OF NITROGEN INTO ENVIRONMENTALLY FRIENDLY PRODUCTSInfo
- Publication number
- DE4091124T1 DE4091124T1 DE904091124T DE4091124T DE4091124T1 DE 4091124 T1 DE4091124 T1 DE 4091124T1 DE 904091124 T DE904091124 T DE 904091124T DE 4091124 T DE4091124 T DE 4091124T DE 4091124 T1 DE4091124 T1 DE 4091124T1
- Authority
- DE
- Germany
- Prior art keywords
- degrading
- oxides
- nitrogen
- environmentally friendly
- photographic method
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/371,172 US4980040A (en) | 1989-06-26 | 1989-06-26 | Photopromoted method for decomposing oxides of nitrogen into environmentally compatible products |
PCT/US1990/003579 WO1991000241A1 (en) | 1989-06-26 | 1990-06-22 | Photopromoted method for decomposing oxides of nitrogen into environmentally compatible products |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4091124T1 true DE4091124T1 (en) | 1991-07-18 |
Family
ID=26781527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE904091124T Withdrawn DE4091124T1 (en) | 1989-06-26 | 1990-06-22 | PHOTOGRAPHIC METHOD FOR DEGRADING OXIDES OF NITROGEN INTO ENVIRONMENTALLY FRIENDLY PRODUCTS |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4091124T1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19645689A1 (en) * | 1996-11-06 | 1998-05-07 | Bayerische Motoren Werke Ag | Exhaust gas treatment unit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63111929A (en) * | 1986-10-28 | 1988-05-17 | Ebara Res Co Ltd | Decomposing and removing method for nitrous oxide contained in gaseous mixture |
JPS63111930A (en) * | 1986-10-28 | 1988-05-17 | Ebara Res Co Ltd | Decomposing and removing method for nitrous oxide contained in gaseous mixture |
DE3642472A1 (en) * | 1986-12-12 | 1988-06-23 | Bbc Brown Boveri & Cie | Process and apparatus for purifying exhaust gases |
-
1990
- 1990-06-22 DE DE904091124T patent/DE4091124T1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63111929A (en) * | 1986-10-28 | 1988-05-17 | Ebara Res Co Ltd | Decomposing and removing method for nitrous oxide contained in gaseous mixture |
JPS63111930A (en) * | 1986-10-28 | 1988-05-17 | Ebara Res Co Ltd | Decomposing and removing method for nitrous oxide contained in gaseous mixture |
DE3642472A1 (en) * | 1986-12-12 | 1988-06-23 | Bbc Brown Boveri & Cie | Process and apparatus for purifying exhaust gases |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19645689A1 (en) * | 1996-11-06 | 1998-05-07 | Bayerische Motoren Werke Ag | Exhaust gas treatment unit |
DE19645689B4 (en) * | 1996-11-06 | 2006-05-11 | Bayerische Motoren Werke Ag | Device for exhaust aftertreatment for an internal combustion engine, in particular Otto engine with lean operation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: B01D 53/86 |
|
8139 | Disposal/non-payment of the annual fee |