IN161293B - - Google Patents
Info
- Publication number
- IN161293B IN161293B IN454/DEL/84A IN454DE1984A IN161293B IN 161293 B IN161293 B IN 161293B IN 454DE1984 A IN454DE1984 A IN 454DE1984A IN 161293 B IN161293 B IN 161293B
- Authority
- IN
- India
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/08—Photoprinting; Processes and means for preventing photoprinting
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/04—Preventing copies being made of an original
- G03G21/043—Preventing copies being made of an original by using an original which is not reproducible or only reproducible with a different appearence, e.g. originals with a photochromic layer or a colour background
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Credit Cards Or The Like (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Printing Methods (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000378239A CA1187914A (en) | 1981-05-25 | 1981-05-25 | Method of rendering documents resistant to photocopying, and anti-copying paper therefor |
| US06/443,819 US4522429A (en) | 1981-05-25 | 1982-11-23 | Method of rendering documents resistant to photocopying, and anti-copying paper and ink therefor |
| EP19820306493 EP0111597B1 (en) | 1981-05-25 | 1982-12-06 | Method of rendering documents resistant to photocopying, and anti-copying paper |
| AU91302/82A AU555754B2 (en) | 1981-05-25 | 1982-12-07 | Photocopy resistant paper |
| US06/475,791 US4632429A (en) | 1981-05-25 | 1983-03-16 | Method of rendering documents resistant to photocopying and anti-copying paper therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN161293B true IN161293B (en) | 1987-11-07 |
Family
ID=46229985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN454/DEL/84A IN161293B (en) | 1981-05-25 | 1984-06-04 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS59114566A (en) |
| AT (1) | ATE54495T1 (en) |
| HK (1) | HK10594A (en) |
| IN (1) | IN161293B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2385161A1 (en) * | 1977-02-08 | 1978-10-20 | Burroughs Corp | MEANS OF PROTECTION OF DOCUMENTS AND DOCUMENTS THUS REALIZED |
| JPS5452538A (en) * | 1977-10-04 | 1979-04-25 | Fuji Xerox Co Ltd | Transfer paper for preventing reecopying and production thereof |
| JPS5487742U (en) * | 1977-12-05 | 1979-06-21 | ||
| JPS5541434A (en) * | 1978-09-20 | 1980-03-24 | Konishiroku Photo Ind Co Ltd | Retrofocus type wide angle lens |
| JPS576113A (en) * | 1980-06-11 | 1982-01-13 | Akira Kobayashi | Ceiling hanging metals |
-
1982
- 1982-12-06 AT AT82306493T patent/ATE54495T1/en active
- 1982-12-13 JP JP57218217A patent/JPS59114566A/en active Granted
-
1984
- 1984-06-04 IN IN454/DEL/84A patent/IN161293B/en unknown
-
1994
- 1994-02-02 HK HK105/94A patent/HK10594A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK10594A (en) | 1994-02-09 |
| ATE54495T1 (en) | 1990-07-15 |
| JPH0458033B2 (en) | 1992-09-16 |
| JPS59114566A (en) | 1984-07-02 |