CN102086091A - Surface glaze, white enamel and preparation method thereof - Google Patents

Surface glaze, white enamel and preparation method thereof Download PDF

Info

Publication number
CN102086091A
CN102086091A CN 201010228437 CN201010228437A CN102086091A CN 102086091 A CN102086091 A CN 102086091A CN 201010228437 CN201010228437 CN 201010228437 CN 201010228437 A CN201010228437 A CN 201010228437A CN 102086091 A CN102086091 A CN 102086091A
Authority
CN
China
Prior art keywords
preparation
percent
enamel
cover
coat enamel
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.)
Pending
Application number
CN 201010228437
Other languages
Chinese (zh)
Inventor
丁文战
陆介平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIJIAZHUANG ZHENGZHONG TECHNOLOGY Co Ltd
Original Assignee
SHIJIAZHUANG ZHENGZHONG TECHNOLOGY Co 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.)
Filing date
Publication date
Application filed by SHIJIAZHUANG ZHENGZHONG TECHNOLOGY Co Ltd filed Critical SHIJIAZHUANG ZHENGZHONG TECHNOLOGY Co Ltd
Priority to CN 201010228437 priority Critical patent/CN102086091A/en
Publication of CN102086091A publication Critical patent/CN102086091A/en
Pending legal-status Critical Current

Links

Abstract

The invention provides a method for preparing an enamel surface glaze. The method comprises the following steps of: (a) mixing the following raw materials in percentage by weight: 10-20 percent of Na2O, 8-25 percent of B2O3, 35-55 percent of SiO2, 15-25 percent of TiO2, 1-5 percent of CaF2, 0-3 percent of MgO, 0.05-2 percent of CuO, 0.5-4 percent of P2O5, 0-5 percent of CaO, and 1-6 percent of Al2O3, melting at 1200-1300 DEG C and quenching in water to be fusion cakes with the diameter of 1-3 mm; and (b) grinding the nano ZnO with the prepared fusion cakes, a suspending agent, an electrolyte and water in a milling addition mode into the surface glaze. The enamel surface glaze provided by the invention is doped with CuO and added with ZnO in a milling way, and the coating of the prepared enamel has favorable bacterium and mildew resistance, white color and stable luster.

Description

A kind of cover-coat enamel slurry, white enamel and preparation method thereof
Technical field
The present invention relates to the enamel field, be specifically related to a kind of cover-coat enamel slurry, white enamel and cover-coat enamel slurry and white enamelled preparation method.
Background technology
Enamel be the unorganic glass material is coagulated on matrix metal by fusion and with metal mortise a kind of matrix material together.The enamelled coating is generally by two-layer, and the one deck that contacts with metal base is the middle layer, i.e. ground-coat enamel, ground-coat enamel is the transition layer that mutually combines with metal base, have stronger adherence, cover-coat enamel is coated on the ground-coat enamel, rises to hide background color and give goods with the surface of smooth and beautiful appearance and good physical and chemical performance.There is good physical and chemical performance in traditional enamel product fields such as daily life, medicine, chemical industry, environmental protection that are applied to of many uses, have metal inherent physical strength and processing characteristics, and the smooth of glass arranged again, clean advantages such as attractive in appearance, corrosion-resistant, nontoxic.
But enamelled antibacterium and mould poor performance can be adsorbed various harmful bacteriums and mould, influence HUMAN HEALTH.The employed antiseptic-germicide of people is organic antibacterial agent and inorganic antiseptic now, wherein organic antibacterial agent is thermo-labile, be suitable for the situation that course of processing temperature is lower than 300 ℃, be not suitable for enamelware pyritous complete processing, and after inorganic antiseptic is melt into the porcelain piece according to conventional enamel frit makeing method and material commonly used, owing to redox or itself have reasons such as color, make porcelain facing color instability or anti-microbial effect poor.
Summary of the invention
The problem that the present invention solves is to provide a kind of cover-coat enamel slurry, has anti-microbial effect by its enamel that constitutes, and keeps the color and luster on enamel layer surface, and is white in color.The present invention also provides this enamel glaze slip and white enamelled preparation method.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of preparation method of enamelled cover-coat enamel slurry may further comprise the steps:
A) will contain weight percent is 10%~20%Na 2O, 8%~25%B 2O 3, 35%~55%SiO 2, 15%~25%TiO 2, 1%~5%CaF 2, 0%~3%MgO, 0.05%~2%CuO, 0.5%~4%P 2O 5, 0%~5%CaO, 1%~6%Al 2O 3Raw material mix after 1200 ℃~1300 ℃ fusings, it is the frit of 1mm~3mm that shrend becomes diameter;
B) form that nano-ZnO is added with mill becomes the cover-coat enamel slurry with the frit for preparing, suspension agent, ionogen and water mill.
As preferably, the mass ratio of described frit, nano-ZnO, suspension agent, ionogen and water is 90~110: 1~4: 4~8: 0.3~0.6: 40~50.
As preferably, the particle diameter of described nano-ZnO is 1nm~50nm.
As preferably, described suspension agent is one or more among clay, wilkinite or the CMC.
As preferably, described ionogen is K 2CO 3, KCl, NaAlO 2, BaCl 2, NH 4Cl or Na 2CO 3In one or more.
A kind of enamelled cover-coat enamel slurry, the preparation method who is starched by described enamelled cover-coat enamel is prepared from.
A kind of enamelled preparation method is coated in described cover-coat enamel slurry and burns on the metal base that ground-coat enamel is arranged, and fires under 800 ℃~860 ℃.
A kind of enamel is prepared from by described enamelled preparation method.
Be mixed with CuO in the cover-coat enamel provided by the invention slurry, and mill adds ZnO, the enamelled enamel coating of preparation has good antibacterial and mouldproof effect, and color be white, and color and luster is stablized.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just to further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The invention provides a kind of preparation method of white cover-coat enamel, adopt Na 2O-B 2O 3-SiO 2-F is a glass matrix, TiO 2As opacifying agent, may further comprise the steps:
A) will contain weight percent is 10%~20%Na 2O, 8%~25%B 2O 3, 35%~55%SiO 2, 15%~25%TiO 2, 1%~5%CaF 2, 0%~3%MgO, 0.05%~2%CuO, 0.5%~4%P 2O 5, 0%~5%CaO, 1%~6%Al 2O 3Raw material mix after 1200 ℃~1300 ℃ fusings, it is the frit of 1mm~3mm that shrend becomes diameter, wherein CuO can antibacterial and mouldproof, but Cu is a non-ferrous metal, adds thousandth and will make white enamel coating be cyanic colours, and TiO 2Can generate the anatase octahedrite of white when firing, inevitably generate the xanchromatic rutile simultaneously, cyanic colours and yellow be complementary color each other, when therefore the add-on of CuO is suitable, the cyanic colours that produces can with yellow complementation after weaken or disappear, enamel coating integral body still is white in color, and is fired into Cu behind the enamel coating 2+Be easy to dissolve, make enamel coating have the effect of antibacterial and mouldproof.
B) form that nano-ZnO is added with mill becomes the cover-coat enamel slurry with the frit for preparing, suspension agent, ionogen and water mill.The mass ratio of frit, nano-ZnO, suspension agent, ionogen and water is preferably 90~110: 1~4: 4~8: 0.3~0.6: 40~50.Be applied to when firing on the metal base intermediate-ion Al in the enamel coating structure at the cover-coat enamel that makes slurry 3+With network ion Si 4+, B 3+With the O ionic bonding among the ZnO, Zn 2+Or the Zn that generates has the effect of fungus and mildew resistance, and the particle diameter of the nano-ZnO that uses among the present invention is 1nm~50nm, and particle diameter is little, and surface-area is big, and the surface energy height is active strong.And form that nano-ZnO adds with mill and frit etc. are mixed with the cover-coat enamel slurry, rather than with ZnO in step a) and raw material together make frit, because ZnO is if make frit, because the electronegativity (1.65) of Zn is bigger than Ti (1.54), so the trend that combines of Zn and O than Ti and O to combine trend big, can make anatase octahedrite TiO 2Quantitative change few, thereby the whiteness of enamel coating is reduced.
Suspension agent is one or more among clay, wilkinite or the CMC, and suspension agent can make superfine endurable the suspending in water of glaze grain of grinding, can adhere to billet surface uniformly when the cover-coat enamel slurry sprays like this, reaches the purpose of normal coating.Add the denseness that ionogen can the adjusting range glaze slip, keep the cover-coat enamel slurry to suspend and the character that do not precipitate and adhere, ionogen can be selected K for use 2CO 3, KCl, NaAlO 2, BaCl 2, NH 4Cl or Na 2CO 3In one or more.
Using the method for soaking or spraying to be coated in the cover-coat enamel slurry of preparation then burns on the metal base that ground-coat enamel is arranged, fire the enamel that promptly can obtain having white enamel coating under 800 ℃~860 ℃.CuO and ZnO play the antibacterial and mouldproof effect of complex superposition, and the enamel that makes has the characteristic of good antibacterial and mouldproof.
Embodiment 1:
To contain weight percent is 16.5%Na 2O, 10%B 2O 3, 40%SiO 2, 25%TiO 2, 3%CaF 2, 1%MgO, 0.5%CuO, 1%P 2O 5, 3%Al 2O 3Raw material mix after 1200 ℃ of fusings, it is the frit of 1mm~3mm that shrend becomes diameter.
With mass ratio is 100: 3: 6: 0.4: 48 frit, nano-ZnO, clay, K 2CO 3Become the cover-coat enamel slurry with water mill, the cover-coat enamel slurry is sprayed on burns on the metal base that ground-coat enamel is arranged then, under 800 ℃, fire, obtain having the enamel of white enamel coating.
Embodiment 2:
To contain weight percent is 20%Na 2O, 15%B 2O 3, 34%SiO 2, 20%TiO 2, 4%CaF 2, 1%CuO, 1%P 2O 5, 5%Al 2O 3Raw material mix after 1250 ℃ of fusings, it is the frit of 1mm~3mm that shrend becomes diameter.
With mass ratio is 98: 1.5: 5: 0.4: 43 frit, nano-ZnO, wilkinite, KCl and water mill become the cover-coat enamel slurry, the cover-coat enamel slurry is sprayed on burns on the metal base that ground-coat enamel is arranged then, fire under 820 ℃, obtain having the enamel of white enamel coating.
Embodiment 3:
To contain weight percent is 10%Na 2O, 17%B 2O 3, 47.5%SiO 2, 17%TiO 2, 2%CaF 2, 1.5%CuO, 3%P 2O 5, 2%Al 2O 3Raw material mix after 1250 ℃ of fusings, it is the frit of 1mm~3mm that shrend becomes diameter.
With mass ratio is 105: 4: 7: 0.5: 47 frit, nano-ZnO, CMC, NaAlO 2Become the cover-coat enamel slurry with water mill, the cover-coat enamel slurry is sprayed on burns on the metal base that ground-coat enamel is arranged then, under 820 ℃, fire, obtain having the enamel of white enamel coating.
Embodiment 4:
To contain weight percent is 13%Na 2O, 18%B 2O 3, 45%SiO 2, 15%TiO 2, 1%CaF 2, 1%CaO, 1%CuO, 2%P 2O 5, 4%Al 2O 3Raw material mix after 1300 ℃ of fusings, it is the frit of 1mm~3mm that shrend becomes diameter.
With mass ratio is 100: 3.5: 4: 0.6: 45 frit, nano-ZnO, clay, BaCl 2Become the cover-coat enamel slurry with water mill, the cover-coat enamel slurry is sprayed on burns on the metal base that ground-coat enamel is arranged then, under 860 ℃, fire, obtain having the enamel of white enamel coating.
Enamel that embodiment is prepared and common enamel are tested and are drawn:
Common enamel: 1) bacteriostasis rate to streptococcus aureus is 60.75%, is 57.32% to colibacillary bacteriostasis rate, does not meet the requirement of JC/T897-2002 standard index; 2) according to QB/T2591-2003 test antifungal performance, test strain comprises aspergillus niger, terreus, paecilomyces varioti, penicillium funiculosum, Aureobasidium pullulans, ball hair shell, and the mildew grade is 2 grades.
The enamel that the embodiment of the invention provides: 1) bacteriostasis rate to streptococcus aureus is 98.2%, is 98.5% to colibacillary bacteriostasis rate, meets the requirement of JC/T897-2002 standard index; 2) according to QB/T2591-2003 test antifungal performance, test strain comprises aspergillus niger, terreus, paecilomyces varioti, penicillium funiculosum, Aureobasidium pullulans, ball hair shell, and the mildew grade is 0 grade.
More than a kind of cover-coat enamel slurry provided by the present invention, enamel and preparation method thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (8)

1. the preparation method of an enamelled cover-coat enamel slurry is characterized in that, may further comprise the steps:
A) will contain weight percent is 10%~20%Na 2O, 8%~25%B 2O 3, 35%~55%SiO 2, 15%~25%TiO 2, 1%~5%CaF 2, 0%~3%MgO, 0.05%~2%CuO, 0.5%~4%P 2O 5, 0%~5%CaO, 1%~6%Al 2O 3Raw material mix after 1200 ℃~1300 ℃ fusings, it is the frit of 1mm~3mm that shrend becomes diameter;
B) form that nano-ZnO is added with mill becomes the cover-coat enamel slurry with the frit for preparing, suspension agent, ionogen and water mill.
2. preparation method according to claim 1 is characterized in that, the mass ratio of described frit, nano-ZnO, suspension agent, ionogen and water is 90~110: 1~4: 4~8: 0.3~0.6: 40~50.
3. preparation method according to claim 1 and 2 is characterized in that, the particle diameter of described nano-ZnO is 1nm~50nm.
4. preparation method according to claim 1 and 2 is characterized in that, described suspension agent is one or more among clay, wilkinite or the CMC.
5. preparation method according to claim 1 and 2 is characterized in that, described ionogen is K 2CO 3, KCl, NaAlO 2, BaCl 2, NH 4Cl or Na 2CO 3In one or more.
6. an enamelled cover-coat enamel slurry is characterized in that, is prepared from by each described preparation method in the claim 1 to 5.
7. an enamelled preparation method is characterized in that, the described cover-coat enamel slurry of claim 6 is coated in burns on the metal base that ground-coat enamel is arranged, and fires under 800 ℃~860 ℃.
8. an enamel is characterized in that, described preparation method is prepared from by claim 7.
CN 201010228437 2010-07-08 2010-07-08 Surface glaze, white enamel and preparation method thereof Pending CN102086091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010228437 CN102086091A (en) 2010-07-08 2010-07-08 Surface glaze, white enamel and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010228437 CN102086091A (en) 2010-07-08 2010-07-08 Surface glaze, white enamel and preparation method thereof

Publications (1)

Publication Number Publication Date
CN102086091A true CN102086091A (en) 2011-06-08

Family

ID=44098118

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010228437 Pending CN102086091A (en) 2010-07-08 2010-07-08 Surface glaze, white enamel and preparation method thereof

Country Status (1)

Country Link
CN (1) CN102086091A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103102075A (en) * 2013-01-21 2013-05-15 京东方科技集团股份有限公司 Method and device for sealing with frit and frit
CN103215591A (en) * 2013-02-01 2013-07-24 浙江开尔新材料股份有限公司 Preparation method of imitated-metal enameled steel sheet
CN105271750A (en) * 2014-07-10 2016-01-27 北京航空航天大学 Preparation of enamel coating modified by rare earth doping and nanometer effect
CN107473590A (en) * 2017-09-25 2017-12-15 彭万成 A kind of integrated enamel structure and preparation method thereof
CN108569849A (en) * 2018-06-26 2018-09-25 浙江开尔新材料股份有限公司 A kind of enamel suspending agent and the enamelled pressed steel with it
CN108658462A (en) * 2018-06-27 2018-10-16 沙冰娟 A kind of high tenacity frit for porcelain enamel
CN109133621A (en) * 2018-05-28 2019-01-04 浙江开尔新材料股份有限公司 A kind of enamel titanium colored glaze material
CN111074276A (en) * 2019-11-28 2020-04-28 浙江大学 Acid-resistant and heat-resistant inorganic anticorrosive coating and preparation method thereof
CN111606564A (en) * 2019-02-22 2020-09-01 Lg电子株式会社 Enamel composition, method for producing an enamel composition and cooking utensil
CN111943511A (en) * 2019-05-14 2020-11-17 石家庄正中科技有限公司 Efficient processing technology for double-sided one-step enamel of hot-rolled steel plate
WO2021000924A1 (en) * 2019-07-03 2021-01-07 Program Contractors Limited Self-cleaning antibacterial vitreous enamel panels
CN112374762A (en) * 2020-12-01 2021-02-19 禹州市华艺钧瓷文化传媒有限公司 Moon white glaze for jun porcelain and preparation method thereof
US11396472B2 (en) 2019-02-22 2022-07-26 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
US11479500B2 (en) 2019-02-22 2022-10-25 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
CN115818962A (en) * 2022-12-16 2023-03-21 江阴硅普搪瓷股份有限公司 Acid-resistant enamel pre-ground powder based on nano material and preparation method thereof
US11773007B2 (en) 2019-02-22 2023-10-03 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
US11780766B2 (en) 2019-02-22 2023-10-10 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1843995A (en) * 2006-05-12 2006-10-11 丁文战 Antibacterial enamel and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1843995A (en) * 2006-05-12 2006-10-11 丁文战 Antibacterial enamel and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《印染助剂》 20041231 曲敏丽等 纳米氧化锌抗菌机理探讨 第45页摘要,第1节 3 第21卷, 第6期 *
《玻璃与搪瓷》 20011231 殷海荣等 抗菌搪瓷 第53页第2节 2-8 第29卷, 第4期 *

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103102075A (en) * 2013-01-21 2013-05-15 京东方科技集团股份有限公司 Method and device for sealing with frit and frit
CN103102075B (en) * 2013-01-21 2015-05-06 京东方科技集团股份有限公司 Method and device for sealing with frit and frit
CN103215591A (en) * 2013-02-01 2013-07-24 浙江开尔新材料股份有限公司 Preparation method of imitated-metal enameled steel sheet
CN103215591B (en) * 2013-02-01 2015-05-27 浙江开尔新材料股份有限公司 Preparation method of imitated-metal enameled steel sheet
CN105271750A (en) * 2014-07-10 2016-01-27 北京航空航天大学 Preparation of enamel coating modified by rare earth doping and nanometer effect
CN107473590A (en) * 2017-09-25 2017-12-15 彭万成 A kind of integrated enamel structure and preparation method thereof
CN109133621A (en) * 2018-05-28 2019-01-04 浙江开尔新材料股份有限公司 A kind of enamel titanium colored glaze material
CN109133621B (en) * 2018-05-28 2021-04-13 浙江开尔新材料股份有限公司 Titanium color glaze for enamel
CN108569849A (en) * 2018-06-26 2018-09-25 浙江开尔新材料股份有限公司 A kind of enamel suspending agent and the enamelled pressed steel with it
CN108658462A (en) * 2018-06-27 2018-10-16 沙冰娟 A kind of high tenacity frit for porcelain enamel
CN111606564A (en) * 2019-02-22 2020-09-01 Lg电子株式会社 Enamel composition, method for producing an enamel composition and cooking utensil
US11396472B2 (en) 2019-02-22 2022-07-26 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
US11401201B2 (en) 2019-02-22 2022-08-02 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
US11479500B2 (en) 2019-02-22 2022-10-25 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
US11773007B2 (en) 2019-02-22 2023-10-03 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
US11780766B2 (en) 2019-02-22 2023-10-10 Lg Electronics Inc. Enamel composition, method for preparing enamel composition, and cooking appliance
CN111943511A (en) * 2019-05-14 2020-11-17 石家庄正中科技有限公司 Efficient processing technology for double-sided one-step enamel of hot-rolled steel plate
WO2021000924A1 (en) * 2019-07-03 2021-01-07 Program Contractors Limited Self-cleaning antibacterial vitreous enamel panels
CN113677641A (en) * 2019-07-03 2021-11-19 葆冈工程有限公司 Self-cleaning antibacterial glass enamel plate
CN111074276A (en) * 2019-11-28 2020-04-28 浙江大学 Acid-resistant and heat-resistant inorganic anticorrosive coating and preparation method thereof
CN112374762A (en) * 2020-12-01 2021-02-19 禹州市华艺钧瓷文化传媒有限公司 Moon white glaze for jun porcelain and preparation method thereof
CN115818962A (en) * 2022-12-16 2023-03-21 江阴硅普搪瓷股份有限公司 Acid-resistant enamel pre-ground powder based on nano material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102086091A (en) Surface glaze, white enamel and preparation method thereof
CN112759258B (en) Antibacterial rock plate and preparation method thereof
US5807641A (en) Anti-bacterial and anti-fungal glaze composition for ceramic products
ES2630159T3 (en) Ceramic glazing with antimicrobial properties
CN1843995A (en) Antibacterial enamel and preparation method thereof
US5266357A (en) Process for enamelling aluminum-coated steel plate and enamelled steel plate
CN101880177B (en) Self-cleaning antibacterial glaze used for sanitary ceramic ware
US5882808A (en) Anti-bacterial and anti-fungal ceramic product
US20040077477A1 (en) Porcelain enamel having metallic appearance
CN108929117A (en) It is a kind of with super-hydrophobic and antibacterial functions glazed tiles and preparation method thereof
KR20210007296A (en) Antibacterial glass composite, manufacturing method thereof
CN101611718B (en) Dragon spring celadon antibacterial agent and application thereof
CN104909545A (en) Large-size simulated granite porcelain thin plate and preparation method therefor
CN105154808A (en) Low-temperature sintered ceramic coating of stainless steel substrate and preparation method of low-temperature sintered ceramic coating
CN104324052A (en) Inorganic anti-bacterial agent and preparation method thereof
US2662028A (en) Mill addition agent for enamel slips
JP2963487B2 (en) Glaze and glazed articles
JP2000302478A5 (en)
CN114195480A (en) Fine stain-resistant antibacterial brick and preparation method thereof
US20040018932A1 (en) Composition for producing a porcelain enamel having a metallic appearance
CN104844277B (en) A kind of discoloration ecology ceramic tile capable of releasing negative ion and preparation method thereof
CN115135615A (en) Antibacterial glass composition and method for producing same
JP2974251B2 (en) Glazed articles
CN115103821A (en) Antibacterial glass composition and method for producing same
US2898218A (en) Porcelain enamels

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20110608