NL27137C - - Google Patents

Info

Publication number: NL27137C
Authority: NL; Netherlands

Application number

Priority date (The priority date 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 date listed.)

1928-08-15

Publication of NL27137C publication Critical patent/NL27137C/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/78—Preparation by contact processes characterised by the catalyst used
- C01B17/79—Preparation by contact processes characterised by the catalyst used containing vanadium

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Catalysts (AREA)

NL27137D 1928-08-15 NL27137C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US317396XA	1928-08-15	1928-08-15

Publications (1)

Publication Number	Publication Date
NL27137C true NL27137C (enrdf_load_html_response)

Family

ID=21861125

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL27137D NL27137C (enrdf_load_html_response)	1928-08-15

Country Status (3)

Country	Link
FR (1)	FR678680A (enrdf_load_html_response)
GB (1)	GB317396A (enrdf_load_html_response)
NL (1)	NL27137C (enrdf_load_html_response)

0
- NL NL27137D patent/NL27137C/xx active
1929
- 1929-07-09 GB GB21012/29A patent/GB317396A/en not_active Expired
- 1929-07-18 FR FR678680D patent/FR678680A/fr not_active Expired

Also Published As

Publication number	Publication date
GB317396A (en)	1930-10-09
FR678680A (fr)	1930-04-03

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