GB395225A - Improvements in and relating to the manufacture of duplicating papers and the like - Google Patents

Improvements in and relating to the manufacture of duplicating papers and the like

Info

Publication number
GB395225A
GB395225A GB3105132A GB3105132A GB395225A GB 395225 A GB395225 A GB 395225A GB 3105132 A GB3105132 A GB 3105132A GB 3105132 A GB3105132 A GB 3105132A GB 395225 A GB395225 A GB 395225A
Authority
GB
United Kingdom
Prior art keywords
added
manufacture
nov
sesame oil
cetyl alcohol
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
Application number
GB3105132A
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.)
UNICHEM CHEMIKALIEN HANDELSGES
Original Assignee
UNICHEM CHEMIKALIEN HANDELSGES
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 UNICHEM CHEMIKALIEN HANDELSGES filed Critical UNICHEM CHEMIKALIEN HANDELSGES
Publication of GB395225A publication Critical patent/GB395225A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like

Landscapes

  • Paper (AREA)

Abstract

395,225. Carbon papers. UNICHEM CHEMIKALIEN-HANDELSGES. AKT. GES., 29, Talacker, Zurich, Switzerland. Nov. 3, 1932, No. 31051. Convention date, Nov. 3, 1931. [Class 100 (iv).] In the manufacture of carbon papers, one or more high molecular aliphatic alcohols are used as an ingredient of the colour composition. Preferably cetyl alcohol is employed, but other higher aliphatic alcohols having more than one hydroxy group, or other groups such as aldehyde or keto groups, or substitution products containing a halogen, aromatic radicle, or the like may be used. In examples, (a) crystal violet is added to a molten mixture of cetyl alcohol and carnauba wax, and sesame oil is then added, the material being filtered and applied to the base in known manner ; (b) violet lake and an additional amount of sesame oil are added to composition (a).
GB3105132A 1931-11-03 1932-11-03 Improvements in and relating to the manufacture of duplicating papers and the like Expired GB395225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC095871 1931-11-03

Publications (1)

Publication Number Publication Date
GB395225A true GB395225A (en) 1933-07-13

Family

ID=7445738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3105132A Expired GB395225A (en) 1931-11-03 1932-11-03 Improvements in and relating to the manufacture of duplicating papers and the like

Country Status (2)

Country Link
FR (1) FR744832A (en)
GB (1) GB395225A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715219A (en) * 1969-09-23 1973-02-06 Teletype Corp Electrostatically improvement in electo static printing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715219A (en) * 1969-09-23 1973-02-06 Teletype Corp Electrostatically improvement in electo static printing

Also Published As

Publication number Publication date
FR744832A (en) 1933-04-27

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