NL25417C - - Google Patents

Info

Publication number: NL25417C
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.)

1927-05-05

Publication of NL25417C publication Critical patent/NL25417C/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
- C01B17/765—Multi-stage SO3-conversion
- C01B17/7655—Multi-stage SO3-conversion with intermediate absorption

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Physical Or Chemical Processes And Apparatus (AREA)

NL25417D 1927-05-05 NL25417C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE289879X		1927-05-05

Publications (1)

Publication Number	Publication Date
NL25417C true NL25417C (cg-RX-API-DMAC7.html)

Family

ID=6059938

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL25417D NL25417C (cg-RX-API-DMAC7.html)	1927-05-05

Country Status (3)

Country	Link
FR (1)	FR652440A (cg-RX-API-DMAC7.html)
GB (1)	GB289879A (cg-RX-API-DMAC7.html)
NL (1)	NL25417C (cg-RX-API-DMAC7.html)

0
- NL NL25417D patent/NL25417C/xx active
1928
- 1928-04-10 FR FR652440D patent/FR652440A/fr not_active Expired
- 1928-04-27 GB GB12380/28A patent/GB289879A/en not_active Expired

Also Published As

Publication number	Publication date
FR652440A (fr)	1929-03-08
GB289879A (en)	1928-07-26

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