HK98688A - Method of rendering documents resistant to photocopying and anticopying paper therefor - Google Patents

Method of rendering documents resistant to photocopying and anticopying paper therefor

Info

Publication number: HK98688A
Authority: HK; Hong Kong
Prior art keywords: document; information; front face; anticopying; photocopying
Prior art date: 1983-03-16

Application number

HK986/88A

Other languages

English (en)

Inventor

Norman A Gardner

Michael P Voticky

Original Assignee

Norman A Gardner

Michael P Voticky

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.)

1983-03-16

Filing date

1988-12-08

Publication date

1988-12-16

1983-03-16 Priority claimed from US06/475,791 external-priority patent/US4632429A/en

1988-12-08 Application filed by Norman A Gardner, Michael P Voticky filed Critical Norman A Gardner

1988-12-16 Publication of HK98688A publication Critical patent/HK98688A/xx

Classifications

- 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

General Physics & Mathematics (AREA)
Physics & Mathematics (AREA)
Paper (AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Credit Cards Or The Like (AREA)
Cleaning In Electrography (AREA)
Printing Methods (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Ink Jet Recording Methods And Recording Media Thereof (AREA)
Compositions Of Oxide Ceramics (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Inspection Of Paper Currency And Valuable Securities (AREA)
Medicines Containing Plant Substances (AREA)
Saccharide Compounds (AREA)

HK986/88A 1983-03-16 1988-12-08 Method of rendering documents resistant to photocopying and anticopying paper therefor HK98688A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
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
HK98688A true HK98688A (en)	1988-12-16

Family

ID=23889168

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK986/88A HK98688A (en)	1983-03-16	1988-12-08	Method of rendering documents resistant to photocopying and anticopying paper therefor

Country Status (12)

Country	Link
EP (1)	EP0119344B1 (no)
JP (1)	JPS59174870A (no)
AT (1)	ATE32274T1 (no)
AU (1)	AU560208B2 (no)
CA (1)	CA1214805A (no)
DE (1)	DE3375527D1 (no)
DK (1)	DK243283A (no)
FI (1)	FI79671C (no)
HK (1)	HK98688A (no)
NO (1)	NO171099C (no)
NZ (1)	NZ205794A (no)
ZA (1)	ZA833659B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4951163B2 (ja) *	2008-07-03	2012-06-13	美津濃株式会社	スポーツ手袋

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3852088A (en) *	1972-03-20	1974-12-03	Ibm	Security document system and method
US3887742A (en) *	1972-04-13	1975-06-03	Richard E Reinnagel	Copy resistant documents
FR2247067A5 (en) *	1973-10-04	1975-05-02	Arjomari Prioux	Non-photocopiable security document - allows markings to be read by eye but reflects uniform light when illuminated
JPS55100587A (en) *	1979-01-29	1980-07-31	Toppan Printing Co Ltd	Image forming material
GB2096055B (en) *	1979-09-17	1985-02-27	Auken John A Van	Anti-copying systems for copying machines

1983
- 1983-05-20 ZA ZA833659A patent/ZA833659B/xx unknown
- 1983-05-26 FI FI831891A patent/FI79671C/fi not_active IP Right Cessation
- 1983-05-27 NO NO831896A patent/NO171099C/no unknown
- 1983-05-30 DK DK243283A patent/DK243283A/da not_active Application Discontinuation
- 1983-08-09 CA CA000434210A patent/CA1214805A/en not_active Expired
- 1983-08-17 DE DE8383304762T patent/DE3375527D1/de not_active Expired
- 1983-08-17 AT AT83304762T patent/ATE32274T1/de not_active IP Right Cessation
- 1983-08-17 EP EP83304762A patent/EP0119344B1/en not_active Expired
- 1983-08-18 AU AU18110/83A patent/AU560208B2/en not_active Ceased
- 1983-08-22 JP JP58151755A patent/JPS59174870A/ja active Granted
- 1983-09-28 NZ NZ205794A patent/NZ205794A/en unknown
1988
- 1988-12-08 HK HK986/88A patent/HK98688A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
AU560208B2 (en)	1987-04-02
DK243283A (da)	1984-09-17
NO171099B (no)	1992-10-19
ATE32274T1 (de)	1988-02-15
EP0119344B1 (en)	1988-01-27
NZ205794A (en)	1987-02-20
DE3375527D1 (en)	1988-03-03
FI79671B (fi)	1989-10-31
FI79671C (fi)	1990-02-12
NO171099C (no)	1993-01-27
CA1214805A (en)	1986-12-02
AU1811083A (en)	1984-09-20
JPS59174870A (ja)	1984-10-03
NO831896L (no)	1984-09-17
ZA833659B (en)	1984-10-31
FI831891A0 (fi)	1983-05-26
DK243283D0 (da)	1983-05-30
EP0119344A1 (en)	1984-09-26
JPH0513318B2 (no)	1993-02-22
FI831891L (fi)	1984-09-17

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EP0403311A3 (en)	1991-04-10	A recording sheet for use in image forming apparatus, a method and an apparatus for forming an image
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EP0352818A3 (en)	1990-12-19	Color display apparatus
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DE3855452D1 (de)	1996-09-05	Beleuchtbare Aussenwerbeanlage
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JPS57164655A (en)	1982-10-09	Original carrier sheet and facsimile device using this carrier sheet
KR910008502A (ko)	1991-05-31	복사기의 단색칼라 복사방식
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Legal Events

Date	Code	Title	Description
2004-12-15	PC	Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)