US812598A - Process of chlorinating indigo. - Google Patents

Process of chlorinating indigo. Download PDF

Info

Publication number
US812598A
US812598A US24777505A US1905247775A US812598A US 812598 A US812598 A US 812598A US 24777505 A US24777505 A US 24777505A US 1905247775 A US1905247775 A US 1905247775A US 812598 A US812598 A US 812598A
Authority
US
United States
Prior art keywords
indigo
sulfurylchlorid
chlorinating
germany
chlorination
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.)
Expired - Lifetime
Application number
US24777505A
Inventor
Albrecht Schmidt
Erich Kronholz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
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.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to US24777505A priority Critical patent/US812598A/en
Application granted granted Critical
Publication of US812598A publication Critical patent/US812598A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B7/00—Indigoid dyes
    • C09B7/02—Bis-indole indigos
    • C09B7/04—Halogenation thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Thiazole And Isothizaole Compounds (AREA)

Description

UNITED sTATEs PATENT oEEIoE.
ALBRECHT SCHMIDT AND ERICH 'KR ONHOLZ, OF HOOHST-ON-THE MAIN, GERMANY,- ASSIGNORS TO FARBWERKE VORM. MEISTER LUCIUS .& BRUNING, OF HOCHST-ON-THE-MAIN, GERMANY, A CORPORATION OF GERMANY.
PROCESS OF CHLORINATING INDIGO- Specification of Letters Patent.
Patented Feb. 13, 1906.
Application filed February 28, 1905. Serial No. 247,775.
To all whom it may concern: Be it known that we, ALBRECHT SCHMIDT, P11. D., chemist, a citizen of the Em ire of Germany, and Enron KRoNHoLz, P -D.,
white or indigo, preferably with some diluent, into a paste, to which is added, while stirring, a quantity of sulfurylchlorid, according to the degree of chlorination desired:
Exam Is I .-Three hundred and fifty parts, by weig t, of indigo-white, referably containing some dry hydrosulfit K into two thousand parts, by weight, of tetracarbonchlorid or other suitable indifferent liquid solvent-such, for instance, as carbon bisulfid and the likeand treated, while stir ring, with six hundred and seventy-five parts,
by Wei ht, of sulfurylchlorid. The whole is allowe to stand while bein stirred from time to time until all sulfur lc orid has disap-,
peared. The product 0 chlorination is sepa rated by filtering and distilling off the solvent. If a less chlorinated product is de* sired, less sulfurylchlorid has to be used. For
F, are stirred the indifferent solvent gaseous sulfurylchlorid may be used and directly a plied on indigowhite or indigo or either of t em treated with solid solvents, such as sodium sulfate, ferrous sulfate, and the Carriers, such as iodin, are not absolutely necessary for the action of sulfurylchlorid, but may be used. I
Example II.Twentyseven parts, by weight, (if indigo are divided in about two hundred cubic centimeters of tetra-carbonchlorid and treated, for instance, with sixtyeight a'rts, by weight, of sulfurylchlorid. The w ole is allowed to s and at ordinary temperature until all sulfurylchlorid has disap eared. The product df chlorination is iso ated in the usual manner, The chlorinated indigoes thus obtained dye, accordin to the degree of chlorination, redder an clearer than indigo andpf a similar shadeas the corresponding bromifiated products.
Having now described our invention, what we claim is The process herein described forjthe manufacture of chlorinated indigo dyestuffs, which consists in treating an indigo'body with sulfurylchlorid.
In testimony that e claim the foregoing as our mvention we have signed our names in presence of two subscribing witnesses.
ALBRECHT SCHMIDT. ERICH KRONHOLZ.
Witnesses JEAN GRUND, CARL -GRUND.
US24777505A 1905-02-28 1905-02-28 Process of chlorinating indigo. Expired - Lifetime US812598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US24777505A US812598A (en) 1905-02-28 1905-02-28 Process of chlorinating indigo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24777505A US812598A (en) 1905-02-28 1905-02-28 Process of chlorinating indigo.

Publications (1)

Publication Number Publication Date
US812598A true US812598A (en) 1906-02-13

Family

ID=2881078

Family Applications (1)

Application Number Title Priority Date Filing Date
US24777505A Expired - Lifetime US812598A (en) 1905-02-28 1905-02-28 Process of chlorinating indigo.

Country Status (1)

Country Link
US (1) US812598A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060234669A1 (en) * 2005-04-14 2006-10-19 Rockwell Scientific Licensing Llc Mobile device with manually operated power source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060234669A1 (en) * 2005-04-14 2006-10-19 Rockwell Scientific Licensing Llc Mobile device with manually operated power source

Similar Documents

Publication Publication Date Title
US3016384A (en) Process for the manufacture of color pigments in finely divided form
US812598A (en) Process of chlorinating indigo.
US3035038A (en) Chlorination of polyethylenes having a density of more than 0.93
US2212965A (en) Process for effecting carbazole ring formation of compounds of the anthraquinone series
US1625530A (en) Intermediate product for the synthesis ob dyes and process op making
US916031A (en) Highly-brominated indigoes and process of making same.
US3232975A (en) Process for bleaching sulfonic acids, esters and chlorides
US235193A (en) Adolph baeyee
US1903891A (en) Halogenated anthraquinoneacridones and the process of making same
US1899574A (en) Process of preparing concentrated clear solutions of titanium chloride
US1646235A (en) Process of making halogen derivatives of aromatic organic compounds
US1954702A (en) Leuco-compounds of vat dyes
US1525117A (en) Halogenated isoviolanthrene and process of making same
US1150863A (en) Pigment and making the same.
US1997160A (en) Halogenated dyestuffs of the indigo series
US3079404A (en) Process for manufacturing alpha-anthraquinone disulfonate containing low amounts of mercury
US2337215A (en) Process for hydrolyzing titanium compounds
US1317160A (en) of basel
US1018433A (en) Brown vat dyestuff and process of making same.
US855248A (en) Process of making anthracene dye.
US1128371A (en) Sulfur dyestuffs and process of making same.
US3014917A (en) Preparation of crystal stable copper phthalocyanine
US1081898A (en) Orange vat dyestuffs and process of making same.
US1575679A (en) Jasoslav prohlich
US997766A (en) Halogenized vat dyestuffs and process of making same.