GB523529A - Improvements in carbon papers - Google Patents
Improvements in carbon papersInfo
- Publication number
- GB523529A GB523529A GB944840A GB944840A GB523529A GB 523529 A GB523529 A GB 523529A GB 944840 A GB944840 A GB 944840A GB 944840 A GB944840 A GB 944840A GB 523529 A GB523529 A GB 523529A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chlorinated
- carbon papers
- carbon
- rubber
- chlorinated rubber
- 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
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
- Paints Or Removers (AREA)
Abstract
523,529. Carbon papers. FRANCIS, F. G. Jan. 9, 1939, No. 9448/40. Divided out of 523,501. [Class 100 (iv)] The reverse side of carbon paper is provided, before the application of the transfer coating, with a flexible coating comprising chlorinated rubber, with or without chlorinated naphthalene and plasticizers such as chlorinated waxes. According to an example, a composition consisting of low-viscosity chlorinated rubber, tricresyl phosphate, toluene, and colouring matter such as red lake is employed ; rosin and chlorinated paraffin wax may be added. U.S.A. Specification 2,072,943 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB944839 | 1939-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB523529A true GB523529A (en) | 1940-07-16 |
Family
ID=9872149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB944840A Expired GB523529A (en) | 1939-01-09 | 1939-01-09 | Improvements in carbon papers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB523529A (en) |
-
1939
- 1939-01-09 GB GB944840A patent/GB523529A/en not_active Expired
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