NL7434C - Werkwijze ter bereiding van ijzerleder - Google Patents

Werkwijze ter bereiding van ijzerleder

Info

Publication number: NL7434C
Authority: NL; Netherlands
Prior art keywords: preparation; iron leather; leather; iron
Prior art date: 1918-05-02

Application number

NL15063A

Other languages

English (en)

Dutch (nl)

Inventor

Otto Rohm

Original Assignee

Otto Rohm

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.)

1918-05-02

Filing date

1920-06-08

Publication date

1922-09-15

1920-06-08 Application filed by Otto Rohm filed Critical Otto Rohm

1922-09-15 Application granted granted Critical

1922-09-15 Publication of NL7434C publication Critical patent/NL7434C/nl

Classifications

- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/04—Mineral tanning

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Treatment And Processing Of Natural Fur Or Leather (AREA)

NL15063A 1918-05-02 1920-06-08 Werkwijze ter bereiding van ijzerleder NL7434C (nl)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
DE91570X		1918-05-02
DE15063X		1918-05-02
DER45855D DE378450C (de)	1918-05-02	1918-05-02	Verfahren zur Herstellung von Eisenleder
DEB48943D DE379698C (de)	1918-05-02	1919-12-02	Verfahren zur Herstellung von mineralisch gegerbten Ledern
FR538403		1920-07-10

Publications (1)

Publication Number	Publication Date
NL7434C true NL7434C (nl)	1922-09-15

Family

ID=60571009

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL15063A NL7434C (nl)	1918-05-02	1920-06-08	Werkwijze ter bereiding van ijzerleder

Country Status (6)

Country	Link
CH (1)	CH91570A (da)
DE (2)	DE378450C (da)
DK (1)	DK27668C (da)
FR (1)	FR538403A (da)
GB (1)	GB147797A (da)
NL (1)	NL7434C (da)

1918
- 1918-05-02 DE DER45855D patent/DE378450C/de not_active Expired
1919
- 1919-12-02 DE DEB48943D patent/DE379698C/de not_active Expired
1920
- 1920-06-08 NL NL15063A patent/NL7434C/nl active
- 1920-06-11 DK DK27668D patent/DK27668C/da active
- 1920-06-28 CH CH91570D patent/CH91570A/de unknown
- 1920-07-09 GB GB19826/20A patent/GB147797A/en not_active Expired
- 1920-07-10 FR FR538403D patent/FR538403A/fr not_active Expired

Also Published As

Publication number	Publication date
FR538403A (fr)	1922-06-09
GB147797A (en)	1921-11-09
CH91570A (de)	1921-11-01
DK27668C (da)	1921-05-23
DE378450C (de)	1923-07-17
DE379698C (de)	1923-08-27

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