CN107652754A - A kind of false proof networking seal special oil of Ultraluminescence - Google Patents
A kind of false proof networking seal special oil of Ultraluminescence Download PDFInfo
- Publication number
- CN107652754A CN107652754A CN201711107357.XA CN201711107357A CN107652754A CN 107652754 A CN107652754 A CN 107652754A CN 201711107357 A CN201711107357 A CN 201711107357A CN 107652754 A CN107652754 A CN 107652754A
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- China
- Prior art keywords
- environmentally friendly
- networking
- false proof
- ultraluminescence
- seal
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/06—Printing inks based on fatty oils
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The present invention relates to a kind of false proof networking seal special oil of Ultraluminescence, and it is prepared by the raw material of following weight percentage：Environmentally friendly castor-oil plant oleoresin 5 50%；Ultraviolet fluorescence powder 1 20%；Environmentally friendly dispersant 0.01 6%；Environmentally friendly levelling agent 0.01 6%；Environmentally friendly defoamer 0.01 6%；Environmentally friendly wax 2 4%；Higher boiling environmentally friendly solvent 1 30%；The resistance to turn to red because of sun burn 1 20% of environmental protection；The percentage by weight sum of each raw material is 100%.The false proof networking seal special oil of Ultraluminescence disclosed in this invention, the false proof networking seal special oil has high disguise, the true and false of seal imprint is differentiated from the discoloration angle of stamp-pad ink using detecting instrument when differentiating the authenticity of seal imprint, so as to a kind of more intuitively method is provided when differentiating seal imprint, make networking seal imprint true and false and the discriminating of authenticity becomes more convenient and reliable.
Description
Technical field
The present invention relates to a kind of stamp-pad ink, and in particular to a kind of false proof networking seal special oil of Ultraluminescence.
Background technology
Existing seal imprint is false proof all to have oneself exclusive false proof trace labelling, but seal imprint capping is in paper
Anyone can be visible with the naked eye when upper, it will thus be apparent that not have any concealed antifalse effect；And existing seal
Trace is false proof can not to establish unique, non-damage drive trace labelling；All do not accomplish very so current seal imprint is false proof
Positive is false proof, and authenticity is difficult to differentiate；In addition, the false proof of existing networking seal imprint can only be used with the stamp of seal lid out
Naked eyes or the mode compared are told truth from falsehood, and can not be differentiated the authenticity of seal imprint, can not be identified in terms of stamp-pad ink.
To sum up, the false proof of existing networking seal imprint can not accomplish disguise, and networking seal imprint is true and false and authenticity
It is difficult to differentiate, does not accomplish really false proof.
The content of the invention
The purpose of the present invention is to propose to a kind of false proof networking seal special oil of Ultraluminescence, the false proof networking seal are special
Oil has high disguise, differentiates seal from the angle of stamp-pad ink using detecting instrument when differentiating the authenticity of seal imprint
The true and false of trace, so as to a kind of more intuitively method is provided when differentiating seal imprint, making networking seal imprint true and false and
The discriminating of authenticity becomes more convenient and reliable.
The purpose of the present invention is following technical proposals to realize：
A kind of false proof networking seal special oil of Ultraluminescence, it is prepared by the raw material of following weight percentage：
Environmentally friendly castor-oil plant oleoresin 5-50%；Ultraviolet fluorescence powder 1-20%；Environmentally friendly dispersant 0.01-6%；Environmentally friendly levelling agent 0.01-6%；
Environmentally friendly defoamer 0.01-6%；Environmentally friendly wax 2-4%；Higher boiling environmentally friendly solvent 1-30%；The environmental protection 1-20% of resistance to turn to red because of sun burn；Each raw material
Percentage by weight sum is 100%.
Further, the percentage by weight of each raw material is：Environmentally friendly castor-oil plant oleoresin 10-45%；Ultraviolet fluorescence powder 10-
18%；Environmentally friendly dispersant 2-5%；Environmentally friendly levelling agent 2-5%；Environmentally friendly defoamer 2-5%；Environmentally friendly wax 2.5-3.5%；Higher boiling ring
Protect solvent 10-25%；The environmental protection 10-18% of resistance to turn to red because of sun burn；The percentage by weight sum of each raw material is 100%.
Further, the percentage by weight of each raw material is：Environmentally friendly castor-oil plant oleoresin 35%；Ultraviolet fluorescence powder 15%；
Environmentally friendly dispersant 4%；Environmentally friendly levelling agent 4%；Environmentally friendly defoamer 4%；Environmentally friendly wax 3%；Higher boiling environmentally friendly solvent 20%；Environmental protection is resistance to
Turn to red because of sun burn 15%.
Further, the environmentally friendly dispersant is glycerine.
Further, the environmentally friendly levelling agent is acrylate.
Further, the environmentally friendly defoamer is acrylate.
Further, the higher boiling environmentally friendly solvent be phenmethylol, n-butanol, in three contracting triethylene glycols any one or
It is a variety of.
Further, the higher boiling environmentally friendly solvent is by weight 1 by phenmethylol, n-butanol and three contracting triethylene glycols：
1：1 mixes.
The preparation method of the false proof networking seal special oil of above-mentioned Ultraluminescence, comprises the steps：
(1) it is pre-dispersed：Environmentally friendly castor-oil plant oleoresin, higher boiling environmentally friendly solvent and ultraviolet fluorescence powder are put into dispersion cylinder in proportion
In, with high speed dispersor rotating speed be 450-550 turn/min mixes 3-5min is well mixed material, then be in rotating speed
1450-1550 turns the/scattered stirring 50-60min of min, obtains mix mill base；
(2) grind：Mix mill base after will be pre-dispersed in step (1) is fully dispersed by the progress of grinding distribution equipment, makes
Its fineness reaches less than 5 microns, obtains semi-finished product stamp-pad ink；
(3) inking converts color：By the semi-finished product stamp-pad ink in step (2) after grinding, and environmentally friendly dispersant, environmentally friendly levelling
Agent, environmentally friendly defoamer, environmentally friendly wax, the resistance to turn to red because of sun burn of environmental protection are put into paint mixing cylinder simultaneously, then carry out working viscosity adjustment and color is adjusted
It is whole；Then rough stamp-pad ink.
(4) filtration, purification, packaging：Rough stamp-pad ink in step (3) is filtered, stamp-pad ink then must be refined, finally wrap
Dress.
Further, the grinding distribution equipment in the step (2) is sand mill or three-roller.
The beneficial effects of the present invention are：
The technology has high hiding, and naked eyes and feel contact can not all find hiding false proof trace labelling,
The false proof trace labelling of any identification is can't see under ordinary light source and under naked eyes, anti-counterfeiting technology is disguised preferably, anti-counterfeiting power compared with
By force.False proof stealthy effect is good, and pattern or mark are colourless, tasteless, invisible, can be printed on and be arbitrarily designated position, form anti-fake mark.
The technology is stealth technique, is not easy to be discovered, and is not easy to be imitated.With double anti-forge effect.
(1) the false proof networking seal special oil of the Ultraluminescence in the present invention, its seal when using the stamp-pad ink are capped out
The trace come is under natural light when detecting by an unaided eye, and seal imprint takes on a red color (golden red or large red) or blueness, purple etc.,
Sending the visible rays of different colours again under the exciting of ultraviolet light, (light such as such as feux rouges, blue light, purple light, writing is high-visible, contrast
It is particularly evident, when uviol lamp is removed outside the trace of chapter face, seal imprint revert to again red (golden red or large red) or blue,
Purple etc.).
For example using the false proof networking seal special oil, seal lid goes out trace and taken on a red color (golden red or large red), passes through
At once second of color is showed under ultraviolet excitation, such as red, blueness, green, yellow.Writing is high-visible, is printed with original
Mark color contrast is very big, and false proof effect is quite obvious, and the technology is not easy to be copied.
When carrying out anti-counterfeit of seals with the anti-counterfeiting stamp ink and seal, trace labelling is first determined, by fixed word, figure
Picture, number or stationarity number are printed in Anti-fake stamp surface, and fixed secret mark is left for seal imprint is false proof, i.e. tracking mark
Note.
When in use, the false proof networking seal special oil in the present invention is filled in ink pad, without too many stamp-pad ink, in right amount
OK, it is finished and adds again.Return the false proof networking seal special oil of ink to absorb soon, almost add and gone while just penetrating into ink pad print cartridge
.
After with an official seal affixed, the outward appearance of seal is visually seen as common false proof networking seal, using this it is false proof enter
When the special stamp-pad ink ink pad of wire mark chapter carries out false proof, seal imprint has high disguise, and naked eyes or feel are touched and can not all looked for
At where to hiding anti-pseudo-tracking, when mirror determines whether it is true or false, it is necessary to using detecting instrument.Seal imprint word before detection, number
Code etc. all takes on a red color (large red or golden red), when the Ultraluminescence that detector is sent touches seal chapter face trace, seal
On trace word, number etc. can show second of light (such as feux rouges, blue and green light, purple light light) at once, while word,
The writings such as number are high-visible, without any damage.So when carrying out false proof using the false proof networking seal special oil, have hidden
The advantages of property is preferable, and anti-counterfeiting power is stronger.
(2) the false proof networking seal special oil of the Ultraluminescence in the present invention, application is very extensive, the false proof networking
Seal special oil can be used at present respectively with Zhang Danwei by local relevant departments' requirement, it is necessary to the networking seal scribed；And this is anti-
Pseudo- networking seal special oil goes for the mode of printings such as silk-screen printing, seal printing, intaglio printing, can be applied to ticket,
Invoice and packaging material are false proof, are told truth from falsehood by detecting the fluorescence secret mark on ticket；The false proof networking seal special oil is fitted
Together in all seal print cartridges, for example, ink pad print cartridge, is flipped back to ink seal ink pad print cartridge, osmosis type seal print cartridge etc.；Anti-counterfeit stamping
Ink is applied to various bills and the like, particularly applies on check and invoice, and anti-counterfeiting, anti-correction performance are optimal, are
The effective means taken precautions against and fought crime.
(3) the false proof networking seal special oil of the Ultraluminescence in the present invention, using the false proof special mimeograph of networking seal
The trace stable performance of chapter, fuel-displaced uniformly writing is clear, and trace is clear uniformly, indiffusion, fast drying.
(4) the false proof networking seal special oil of the Ultraluminescence in the present invention, the seal imprint of printing is in ultraviolet fluorescent lamp
Exciting under can send anti-fake mark, anti-counterfeiting detection is convenient, and the seal imprint of clear light is showed under ultraviolet light.It is aobvious
Color is obvious, and clearly, differentiability is good, and anti-counterfeiting performance greatly enhances, it is difficult to is replicated or copies, has effectively contained fakement phenomena.And
And the false proof networking seal special oil has the advantages that emission spectrum is narrow, excitation is high, fluorescence efficiency is high, stability is good, in purple
Outer light excites down, can send the coloured light such as the red of high brightness, blueness, green, yellow.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
First, embodiment is prepared：
1st, embodiment 1 is prepared：
A kind of false proof networking seal special oil of Ultraluminescence, it is prepared by the raw material of following weight percentage：
Environmentally friendly castor-oil plant oleoresin 35%；Ultraviolet fluorescence powder 15%；Glycerine 4%；Acrylate 8%；Environmentally friendly wax 3%；Phenmethylol 20%；Ring
Protect resistance to turn to red because of sun burn 15%.
The preparation method of the false proof networking seal special oil of above-mentioned Ultraluminescence, comprises the steps：
(1) it is pre-dispersed：Environmentally friendly castor-oil plant oleoresin, higher boiling environmentally friendly solvent and ultraviolet fluorescence powder are put into dispersion cylinder in proportion
In, with high speed dispersor rotating speed be 500 turns/min mix 4min be well mixed material, then rotating speed be 1500 turns/
The scattered stirring 55min of min, obtain mix mill base；
(2) grind：Mix mill base after will be pre-dispersed in step (1) is fully dispersed by the progress of grinding distribution equipment, makes
Its fineness reaches less than 5 microns, obtains semi-finished product stamp-pad ink；
(3) inking converts color：By the semi-finished product stamp-pad ink in step (2) after grinding, and environmentally friendly dispersant, environmentally friendly levelling
Agent, environmentally friendly defoamer, environmentally friendly wax, the resistance to turn to red because of sun burn of environmental protection are put into paint mixing cylinder simultaneously, then carry out working viscosity adjustment and color is adjusted
It is whole；Then rough stamp-pad ink.
(4) filtration, purification, packaging：Rough stamp-pad ink in step (3) is filtered, stamp-pad ink then must be refined, finally wrap
Dress.
2nd, embodiment 2 is prepared：
A kind of false proof networking seal special oil of Ultraluminescence, it is prepared by the raw material of following weight percentage：
Environmentally friendly castor-oil plant oleoresin 40%；Ultraviolet fluorescence powder 5%；Glycerine 1%；Acrylate 6%；Environmentally friendly wax 3.5%；N-butanol 30%；
The resistance to turn to red because of sun burn 14.5% of environmental protection.
The preparation method of the false proof networking seal special oil of above-mentioned Ultraluminescence, comprises the steps：
(1) it is pre-dispersed：Environmentally friendly castor-oil plant oleoresin, higher boiling environmentally friendly solvent and ultraviolet fluorescence powder are put into dispersion cylinder in proportion
In, with high speed dispersor rotating speed be 450 turns/min mix 5min be well mixed material, then rotating speed be 1550 turns/
The scattered stirring 50min of min, obtain mix mill base；
(2) grind：Mix mill base after will be pre-dispersed in step (1) is fully dispersed by the progress of grinding distribution equipment, makes
Its fineness reaches less than 5 microns, obtains semi-finished product stamp-pad ink；
(3) inking converts color：By the semi-finished product stamp-pad ink in step (2) after grinding, and environmentally friendly dispersant, environmentally friendly levelling
Agent, environmentally friendly defoamer, environmentally friendly wax, the resistance to turn to red because of sun burn of environmental protection are put into paint mixing cylinder simultaneously, then carry out working viscosity adjustment and color is adjusted
It is whole；Then rough stamp-pad ink.
(4) filtration, purification, packaging：Rough stamp-pad ink in step (3) is filtered, stamp-pad ink then must be refined, finally wrap
Dress.
3rd, embodiment 3 is prepared：
A kind of false proof networking seal special oil of Ultraluminescence, it is prepared by the raw material of following weight percentage：
Environmentally friendly castor-oil plant oleoresin 29%；Ultraviolet fluorescence powder 20%；Glycerine 6%；Acrylate 8%；Environmentally friendly wax 2%；Higher boiling environmental protection is molten
Agent 25%；The resistance to turn to red because of sun burn 10% of environmental protection.
The higher boiling environmentally friendly solvent is by weight 1 by phenmethylol, n-butanol and three contracting triethylene glycols：1：1 mixing and
Into.
The preparation method of the false proof networking seal special oil of above-mentioned Ultraluminescence, comprises the steps：
(1) it is pre-dispersed：Environmentally friendly castor-oil plant oleoresin, higher boiling environmentally friendly solvent and ultraviolet fluorescence powder are put into dispersion cylinder in proportion
In, with high speed dispersor rotating speed be 550 turns/min mix 3min be well mixed material, then rotating speed be 1450 turns/
The scattered stirring 40min of min, obtain mix mill base；
(2) grind：Mix mill base after will be pre-dispersed in step (1) is fully dispersed by the progress of grinding distribution equipment, makes
Its fineness reaches less than 5 microns, obtains semi-finished product stamp-pad ink；
(3) inking converts color：By the semi-finished product stamp-pad ink in step (2) after grinding, and environmentally friendly dispersant, environmentally friendly levelling
Agent, environmentally friendly defoamer, environmentally friendly wax, the resistance to turn to red because of sun burn of environmental protection are put into paint mixing cylinder simultaneously, then carry out working viscosity adjustment and color is adjusted
It is whole；Then rough stamp-pad ink.
(4) filtration, purification, packaging：Rough stamp-pad ink in step (3) is filtered, stamp-pad ink then must be refined, finally wrap
Dress.
2nd, experimental example：
1st, the time is dried in the false proof networking seal special oil by the Ultraluminescence prepared in above-mentioned preparation embodiment 1-3
Test, when the seal is covered in the material of papery, drying time is 2 seconds.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
- A kind of 1. false proof networking seal special oil of Ultraluminescence, it is characterised in that：It is by the raw material of following weight percentage It is prepared：Environmentally friendly castor-oil plant oleoresin 5-50%；Ultraviolet fluorescence powder 1-20%；Environmentally friendly dispersant 0.01-6%；Environmentally friendly levelling agent 0.01-6%；Environmentally friendly defoamer 0.01-6%；Environmentally friendly wax 2-4%；Higher boiling environmentally friendly solvent 1-30%；The environmental protection 1- of resistance to turn to red because of sun burn 20%；The percentage by weight sum of each raw material is 100%.
- 2. the false proof networking seal special oil of Ultraluminescence according to claim 1, it is characterised in that：Each raw material Percentage by weight is：Environmentally friendly castor-oil plant oleoresin 10-45%；Ultraviolet fluorescence powder 10-18%；Environmentally friendly dispersant 2-5%；Environmentally friendly levelling Agent 2-5%；Environmentally friendly defoamer 2-5%；Environmentally friendly wax 2.5-3.5%；Higher boiling environmentally friendly solvent 10-25%；The environmental protection 10- of resistance to turn to red because of sun burn 18%；The percentage by weight sum of each raw material is 100%.
- 3. the false proof networking seal special oil of Ultraluminescence according to claim 2, it is characterised in that：Each raw material Percentage by weight is：Environmentally friendly castor-oil plant oleoresin 35%；Ultraviolet fluorescence powder 15%；Environmentally friendly dispersant 4%；Environmentally friendly levelling agent 4%；Ring Protect defoamer 4%；Environmentally friendly wax 3%；Higher boiling environmentally friendly solvent 20%；The resistance to turn to red because of sun burn 15% of environmental protection.
- 4. the false proof networking seal special oil of the Ultraluminescence according to any one in claim 1-3, it is characterised in that： The environmentally friendly dispersant is glycerine.
- 5. the false proof networking seal special oil of Ultraluminescence according to claim 4, it is characterised in that：The environmentally friendly levelling Agent is acrylate.
- 6. the false proof networking seal special oil of Ultraluminescence according to claim 5, it is characterised in that：The environmental protection defoaming Agent is acrylate.
- 7. the false proof networking seal special oil of Ultraluminescence according to claim 6, it is characterised in that：The higher boiling ring Guarantor's solvent is any one or more in phenmethylol, n-butanol, three contracting triethylene glycols.
- 8. the false proof networking seal special oil of Ultraluminescence according to claim 7, it is characterised in that：The higher boiling ring It is by weight 1 by phenmethylol, n-butanol and three contracting triethylene glycols to protect solvent：1：1 mixes.
- 9. the preparation method of the false proof networking seal special oil of the Ultraluminescence according to any one in claim 1-8, It is characterized in that：Comprise the steps：(1) it is pre-dispersed：Environmentally friendly castor-oil plant oleoresin, higher boiling environmentally friendly solvent and ultraviolet fluorescence powder are put into dispersion cylinder in proportion, With high speed dispersor rotating speed be 450-550 turn/min mixes 3-5min is well mixed material, then in rotating speed be 1450- The scattered stirring 50-60min of 1550 turns/min, obtain mix mill base；(2) grind：Mix mill base after will be pre-dispersed in step (1) is fully dispersed by the progress of grinding distribution equipment, makes its thin Degree reaches less than 5 microns, obtains semi-finished product stamp-pad ink；(3) inking converts color：By the semi-finished product stamp-pad ink in step (2) after grinding, and environmentally friendly dispersant, environmentally friendly levelling agent, Environmentally friendly defoamer, environmentally friendly wax, the resistance to turn to red because of sun burn of environmental protection are put into paint mixing cylinder simultaneously, then carry out working viscosity adjustment and color adjustment； Then rough stamp-pad ink.(4) filtration, purification, packaging：Rough stamp-pad ink in step (3) is filtered, stamp-pad ink then must be refined, finally pack.
- 10. the false proof networking seal special oil of Ultraluminescence according to claim 9, it is characterised in that：The step (2) In grinding distribution equipment be sand mill or three-roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107357.XA CN107652754A (en) | 2017-11-10 | 2017-11-10 | A kind of false proof networking seal special oil of Ultraluminescence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107357.XA CN107652754A (en) | 2017-11-10 | 2017-11-10 | A kind of false proof networking seal special oil of Ultraluminescence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107652754A true CN107652754A (en) | 2018-02-02 |
Family
ID=61120052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107357.XA Pending CN107652754A (en) | 2017-11-10 | 2017-11-10 | A kind of false proof networking seal special oil of Ultraluminescence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107652754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789241A (en) * | 2019-11-05 | 2020-02-14 | 南京市儿童医院 | Identity recognition seal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058032A (en) * | 1991-08-24 | 1992-01-22 | 南开技术开发咨询公司 | Atomic printing ink for forgery prevention with ultraviolet ray |
-
2017
- 2017-11-10 CN CN201711107357.XA patent/CN107652754A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058032A (en) * | 1991-08-24 | 1992-01-22 | 南开技术开发咨询公司 | Atomic printing ink for forgery prevention with ultraviolet ray |
Non-Patent Citations (1)
| Title |
|---|
| 余紫岗: "印泥与原子印油的耐久性", 《档案学通讯》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789241A (en) * | 2019-11-05 | 2020-02-14 | 南京市儿童医院 | Identity recognition seal |
| CN110789241B (en) * | 2019-11-05 | 2021-07-30 | 南京市儿童医院 | Identity recognition seal |
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Application publication date: 20180202 |
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