ZA727344B - Improvements in or relating to lithographic printing plates - Google Patents

Improvements in or relating to lithographic printing plates

Info

Publication number: ZA727344B
Authority: ZA; South Africa
Prior art keywords: relating; lithographic printing; printing plates; plates; lithographic
Prior art date: 1971-10-22

Application number

ZA727344A

Other languages

English (en)

Inventor

R Golledge

L Lawson

Original Assignee

Howson Algraphy Ltd

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.)

1971-10-22

Filing date

1972-10-16

Publication date

1973-06-27

1972-10-16 Application filed by Howson Algraphy Ltd filed Critical Howson Algraphy Ltd

1973-06-27 Publication of ZA727344B publication Critical patent/ZA727344B/xx

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/03—Chemical or electrical pretreatment
- B41N3/038—Treatment with a chromium compound, a silicon compound, a phophorus compound or a compound of a metal of group IVB; Hydrophilic coatings obtained by hydrolysis of organometallic compounds
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/12—Anodising more than once, e.g. in different baths
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
General Chemical & Material Sciences (AREA)
Printing Plates And Materials Therefor (AREA)

ZA727344A 1971-10-22 1972-10-16 Improvements in or relating to lithographic printing plates ZA727344B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4929671A GB1410768A (en)	1971-10-22	1971-10-22	Lithographic printing plates comprising anodised aluminium

Publications (1)

Publication Number	Publication Date
ZA727344B true ZA727344B (en)	1973-06-27

Family

ID=10451858

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA727344A ZA727344B (en)	1971-10-22	1972-10-16	Improvements in or relating to lithographic printing plates

Country Status (9)

Country	Link
AU (1)	AU473460B2 (xx)
DE (1)	DE2251710A1 (xx)
DK (1)	DK137442B (xx)
ES (1)	ES408108A1 (xx)
FR (1)	FR2157645A5 (xx)
GB (1)	GB1410768A (xx)
IT (1)	IT975317B (xx)
NL (1)	NL7214213A (xx)
ZA (1)	ZA727344B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2088901B (en) *	1980-10-23	1983-12-07	Vickers Ltd	Anodised aluminium sheet for lithographic printing plate production
DE3206470A1 (de) *	1982-02-23	1983-09-01	Hoechst Ag, 6230 Frankfurt	Verfahren zur herstellung von traegermaterialien fuer offsetdruckplatten
DE3206469A1 (de) *	1982-02-23	1983-09-01	Hoechst Ag, 6230 Frankfurt	Verfahren zur herstellung von traegermaterialien fuer offsetdruckplatten
DE3312497A1 (de) *	1983-04-07	1984-10-11	Hoechst Ag, 6230 Frankfurt	Zweistufiges verfahren zur herstellung von anodisch oxidierten flaechigen materialien aus aluminium und deren verwendung bei der herstellung von offsetdruckplatten
GB8315203D0 (en) *	1983-06-02	1983-07-06	Secr Defence	Surface pretreatment of aluminium and aluminium alloys
GB2141139B (en) *	1983-06-02	1986-07-30	Secr Defence	Pretreatment of aluminum prior to bonding electroplating or painting
DE3328048A1 (de) *	1983-08-03	1985-02-21	Hoechst Ag, 6230 Frankfurt	Verfahren zur zweistufigen anodischen oxidation von traegermaterialien aus aluminium fuer offsetdruckplatten
DE3418111A1 (de) *	1984-05-16	1985-11-21	Hoechst Ag, 6230 Frankfurt	Verfahren zur nachbehandlung von aluminiumoxidschichten mit phosphoroxo-anionen enthaltenden waessrigen loesungen und deren verwendung bei der herstellung von offsetdruckplattentraegern

1971
- 1971-10-22 GB GB4929671A patent/GB1410768A/en not_active Expired
1972
- 1972-10-16 ZA ZA727344A patent/ZA727344B/xx unknown
- 1972-10-19 AU AU47951/72A patent/AU473460B2/en not_active Expired
- 1972-10-20 IT IT70311/72A patent/IT975317B/it active
- 1972-10-20 DK DK520772AA patent/DK137442B/da unknown
- 1972-10-20 NL NL7214213A patent/NL7214213A/xx not_active Application Discontinuation
- 1972-10-20 FR FR7237375A patent/FR2157645A5/fr not_active Expired
- 1972-10-21 ES ES408108A patent/ES408108A1/es not_active Expired
- 1972-10-21 DE DE2251710A patent/DE2251710A1/de active Pending

Also Published As

Publication number	Publication date
DE2251710A1 (de)	1973-05-30
NL7214213A (xx)	1973-04-25
FR2157645A5 (xx)	1973-06-01
IT975317B (it)	1974-07-20
DK137442C (xx)	1978-08-14
GB1410768A (en)	1975-10-22
DK137442B (da)	1978-03-06
AU4795172A (en)	1974-04-26
ES408108A1 (es)	1975-10-01
AU473460B2 (en)	1976-06-24

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