CN102973979A - Sanitary napkin core slice with magnetism bacteriostasis healthcare function - Google Patents

Sanitary napkin core slice with magnetism bacteriostasis healthcare function Download PDF

Info

Publication number
CN102973979A
CN102973979A CN2012105497929A CN201210549792A CN102973979A CN 102973979 A CN102973979 A CN 102973979A CN 2012105497929 A CN2012105497929 A CN 2012105497929A CN 201210549792 A CN201210549792 A CN 201210549792A CN 102973979 A CN102973979 A CN 102973979A
Authority
CN
China
Prior art keywords
woven fabrics
bacteriostasis
sanitary towel
sanitary napkin
dispersion liquid
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.)
Granted
Application number
CN2012105497929A
Other languages
Chinese (zh)
Other versions
CN102973979B (en
Inventor
吴少勇
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.)
Shenzhen Eli Environmental Protection Co Ltd
Original Assignee
Shenzhen Eli Environmental Protection 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 Shenzhen Eli Environmental Protection Co Ltd filed Critical Shenzhen Eli Environmental Protection Co Ltd
Priority to CN201210549792.9A priority Critical patent/CN102973979B/en
Publication of CN102973979A publication Critical patent/CN102973979A/en
Application granted granted Critical
Publication of CN102973979B publication Critical patent/CN102973979B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Cosmetics (AREA)

Abstract

The invention discloses a sanitary napkin core slice with a magnetism bacteriostasis healthcare function. A production method of the sanitary napkin core slice comprises the following steps of: compounding hydroxyethyl cellulose ether, carboxyethyl germanium sesquioxide, strontium ferrite powder, a colorless transparent nano-silver solution, fatty alcohol-polyoxyethylene ether, a polyurethane emulsion and deionized water into a dispersion liquid, then uniformly adding the dispersion liquid into a raw material for producing non-woven fabrics, producing the non-woven fabrics according to the normal production process of the non-woven fabrics, magnetizing the produced non-woven fabrics through a magnetizing apparatus, and finally rewinding the magnetized non-woven fabrics with appropriate diameters and cutting the rewound non-woven fabrics with appropriate width, thus obtaining the sanitary napkin core slice with the magnetism bacteriostasis healthcare function. The sanitary napkin core slice produced by the disclosed method has the advantages of having certain magnetism and an obvious bacteriostasis effect, enabling consumers using the sanitary napkin to feel comfortable and pleasant and also being capable of avoiding pruritus symptoms caused by long-term use of the sanitary napkin and safe for human bodies without any irritation.

Description

A kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care
Technical field:
The present invention relates to the disposable sanitary articles field, particularly a kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care.
Background technology:
Magnetic field effect is the biological effect that the action of a magnetic field causes behind human body, and modern scientific research shows that there are a lot of benefits in magnetic field to human body, for example: promote cellular metabolism, accelerate refuse and harmful substance drainage in the cell; Blood circulation promoting improves microcirculating state; Improve erythrocytic oxygen carrying capacity, blood viscosity lowering; Strengthen and improve immune function of human body; Anti-aging effects is arranged, the free radical that accumulates in the removing body etc.Organic germanium is widely used in the fields such as health food, cosmetics and medicine as a kind of health-care components, and it has the increase body immunity, regulates the physiological functions such as blood fat, blood pressure, blood glucose, also has defying age, brightens the effects such as beauty treatment.
The women is in menstrual phase, and genitals's resistance descends, and is more fragile than usual, infects easily.In addition, abundant nutrient substance is arranged in the menses, antibacterial can breed growth in a short period of time, if sanitary towel is longer service time, also easily because the pruritus symptom appears in the antibacterial amount reproduction, also can cause genital diseases when serious.
Modern sanitary towel is more and more to the multifunction future development, many manufacturers also produce the sanitary towel with health-care effect, as implanting permanent magnet in sanitary towel, thereby make magnetic sanitary towel, but this sanitary towel production cost is high, processing is complicated, when the women uses, in magnet positions obvious foreign body sensation etc. is arranged.In addition, manufacturer is also arranged in order to solve the antibacterial problem of sanitary towel, major part was carried out sterilization treatment before packing, consumer antibacterial when using sanitary towel is less like this, but itself does not have bacteria resistance function sanitary towel, so along with consumer's prolongation of service time, the reproduction speed of antibacterial is very fast, consumer needs frequent sanitary towel.
Sanitary towel chip is a kind of non-woven fabrics with difference in functionality of implanting under the sanitary towel top layer, its length is 6~10cm, width is 2~4cm, it has some unique function, such as antibacterial, emitting far-infrared, anion releasing etc., sanitary towel chip is implanted in the production process in the sanitary towel, had simple to operate, easy industrialization, the advantage such as with low cost.At present, the sanitary towel chip that sanitary towel chip manufacturer produces is large multi-functional comparatively single, and in addition, the product quality of production is also unstable.At present, consumer is also more and more to the demand of sanitary towel's function, also has many consumers also to require same sanitary towel to have multiple different function.Several functions is integrated on the same sanitary towel chip has technical difficulty for most of manufacturers.
For shortcomings and deficiencies of the prior art, develop a kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care and be significant and be worth.
Summary of the invention:
The technical problem to be solved in the present invention provides the chip that a kind of energy is used for sanitary towel, and it has magnetic bacteriostasis and health-care effect, also has simultaneously the advantages such as safe and non-stimulating property.
The technical scheme that the present invention solves the problems of the technologies described above is: plurality of raw materials is deployed into dispersion liquid, then dispersion liquid is added and produce in the non-woven fabrics raw material, then produce by the non-woven fabrics normal process, will produce at last that good non-woven fabrics magnetizes, rewinding, cut and pack.Dispersion liquid of the present invention is to adopt following percentage by weight prescription:
Carboxyethylgermanium sesquioxide 0.05~0.2%,
Strontium-ferrite powder 10~30%,
Water white transparency nanometer silver solution 3~10%,
Fatty alcohol-polyoxyethylene ether 1~5%,
Hydroxyethyl ether cellulose 0.3~2%,
Polyaminoester emulsion 10~30%,
The deionized water surplus.
The particle diameter of strontium-ferrite powder of the present invention is 0.1~2 micron.
The mean diameter of silver is 2nm in the water white transparency nanometer silver solution of the present invention, and concentration is 1000ppm.
The range of viscosities of hydroxyethyl ether cellulose of the present invention is 10000~15000mpa.s.
Dispersion liquid of the present invention is (3~10) with the weight proportion of the raw material of producing non-woven fabrics: (97~90).
Preparation method of the present invention comprises the steps:
Take by weighing in proportion hydroxyethyl ether cellulose and add in the container, add deionized water, stir, until hydroxyethyl ether cellulose dissolves fully;
Take by weighing in proportion carboxyethylgermanium sesquioxide, strontium-ferrite powder, water white transparency nanometer silver solution, fatty alcohol-polyoxyethylene ether and polyaminoester emulsion again, add successively in the container, treat complete dispersed with stirring, the liquid of gained is dispersion liquid;
Prepared dispersion liquid is added in the production non-woven fabrics raw material equably, then press the normal production process of non-woven fabrics and produce non-woven fabrics;
The non-woven fabrics of producing is magnetized by magnet charger, and the non-woven fabrics rewinding of the magnetic of then will substituting the bad for the good becomes suitable diameter, then cuts into suitable width, is magnetic functions of bacteriostasis and health-care sanitary towel chip.
The selected composition of the present invention has following effect and effect:
Carboxyethylgermanium sesquioxide: it is a kind of health material, and it has the increase body immunity, regulates the physiological functions such as blood fat, blood pressure, blood glucose, also has defying age, brightens the effects such as beauty treatment.
Strontium-ferrite powder: it is a kind of high-performance magnetic powder, after the adding non-woven fabrics magnetizes, can make non-woven fabrics specifically have the permanent magnetism of some strength.
The water white transparency nanometer silver solution: it has the broad-spectrum sterilization bacteriostasis property, can kill 650 various bacteria, and antibacterial can not produce drug resistance to it simultaneously, and it also is a kind of very safe antibacterial simultaneously.
Fatty alcohol-polyoxyethylene ether: it plays peptizaiton in solution, can increase hydrophilic and the rate of water absorption of prepared sanitary towel chip simultaneously.
Hydroxyethyl ether cellulose: the viscosity of its scalable dispersion liquid.
Adopt the sanitary towel chip of this bright preparation, it possesses certain magnetic, and fungistatic effect is obvious, more pleasant in the time of making consumer use sanitary towel, can also avoid well because using for a long time the pruritus symptom of sanitary towel's appearance, it is to human-body safety, without any zest simultaneously.
In order to verify the present invention whether to the safety of human body, sanitary towel chip sample of the present invention is measured through third party authority testing agency, and test process and result are as follows:
Study subject: regular grade New Zealand white rabbit, body weight 2.0~2.5Kg.
Detection method: choose 3 regular grade New Zealand white rabbit, test the front hair that cut off spinal column both sides, back in 24 hours, must not injure skin, the unhairing scope, about each 3cm * 3cm.Getting submitted sample next day covers white rabbit one side and cuts plucked position, it is 2.5cm * 2.5cm that sample is cut out area, then cover with two-layer gauze, fixed with the nonirritant adhesive plaster again, opposite side cuts off mao position as blank, remove tester after 4 hours, then minute 1 hour, 24 hours and 48 hours observation dermoreactions carry out dermoreaction integration and stimulus intensity evaluation by the regulation of " disinfection technology standard ".
Test result such as following table:
Figure BSA00000825106900021
Figure BSA00000825106900031
Test result: submitted sample is 0 to laboratory animal dermoreaction integral mean value, once contacts animal and does not cause the animal skin irritant reaction, belongs to be the nonirritant material.
In order to verify fungistatic effect of the present invention, sanitary towel chip sample of the present invention is measured through third party authority testing agency, and test process and result are as follows:
Detection method: test by " disinfection technology standard " (version in 2002), be 2min, 5min, 10min, 20min action time, and test temperature is 19~21 ℃.
Test result such as following table:
Figure BSA00000825106900032
Test result: specimen effect 2min, 5min, 10min, 20min are 100% to the average bacteriostasis rate of staphylococcus aureus; Specimen effect 2min, 5min, 10min, 20min are 100% to colibacillary average bacteriostasis rate; Specimen effect 2min, 5min, 10min, 20min are 100% to the average bacteriostasis rate of Candida albicans.
In order to verify magnetic effect of the present invention, the magnetic sanitary towel chip of producing detects with MD-300 magnetic sound and light detecting pen, and method of testing and result are as follows:
Detection method: the sanitary towel chip that the open method of the present invention is produced is entirely put on the table, then open MD-300 magnetic sound and light detecting pen, magnetic detection pen probe is streaked from the sanitary towel chip surface, can judge whether magnetic is up to standard according to the acousto-optic hint of magnetic pen.
Test result: repeatedly inspect by random samples through multiple batches of product, the sanitary towel chip magnetic that the open method of the present invention is produced all shows normally.
In order to verify practical effect of the present invention, the inventor organizes 15 female volunteers to carry out clinical trial, test method is that the women uses first in menstrual period and do not have sanitary towel of the present invention, in the sensation of using 2 hours and 4 hour records use, and then use and to have the sanitary towel of chip of the present invention to do same test, also respectively from using 2 hours and the sensation of 4 hour records use.15 volunteer's feedacks such as following table:
Figure BSA00000825106900033
Figure BSA00000825106900041
Can find out that from test result the volunteer does not have chip sanitary towel of the present invention after 2 hours in use, feed back totally 6 preferably of pleasant property, account for 40% of total volunteer's number, reflection has totally 5 of slight pruritus, accounts for 33% of total volunteer's number; Use after 4 hours, feed back relatively poor totally 7 of pleasant property, account for 47% of total volunteer's number, reflection has slight pruritus and totally 12 of obvious pruritus is arranged, and accounts for 80% of total volunteer's number.The volunteer has chip sanitary towel of the present invention after 2 hours in use, feeds back pleasant property better and well totally 15, accounts for 100% of total volunteer's number, and unmanned reflection has the pruritus phenomenon; Use after 4 hours, the pleasant property of unmanned reflection is relatively poor, and also unmanned reflection has obvious pruritus, and only 5 people reflection has slight pruritus, accounts for 33% of total volunteer's number.
Test result: can find out that by contrast test consumer uses the sanitary towel of chip of the present invention can obviously improve its pleasant property, also can obviously reduce the pruritus symptom that consumer uses appearance for a long time.
The specific embodiment
Embodiment 1
Take by weighing 2 parts of hydroxyethyl ether celluloses and add in the container, add 73.95 parts of deionized waters, stir, until hydroxyethyl ether cellulose dissolves fully; Take by weighing 0.05 part of carboxyethylgermanium sesquioxide, 10 parts of strontium-ferrite powders, 3 parts of water white transparency nanometer silver solution, 1 part of fatty alcohol-polyoxyethylene ether and 10 parts of polyaminoester emulsions, add successively in the container, treat complete dispersed with stirring, the liquid of gained is dispersion liquid; Then be prepared dispersion liquid to be produced in the non-woven fabrics raw material by adding equably in 10: 90 by the weight proportion of dispersion liquid and the raw material of producing non-woven fabrics, press the normal production process production of non-woven fabrics non-woven fabrics; The non-woven fabrics of producing is magnetized by magnet charger, and the non-woven fabrics rewinding of the magnetic of will substituting the bad for the good at last becomes suitable diameter, cuts into suitable width, is present embodiment 1.
Embodiment 2
Take by weighing 1 part of hydroxyethyl ether cellulose and add in the container, add 49.9 parts of deionized waters, stir, until hydroxyethyl ether cellulose dissolves fully; Take by weighing 0.1 part of carboxyethylgermanium sesquioxide, 20 parts of strontium-ferrite powders, 6 parts of water white transparency nanometer silver solution, 3 parts of fatty alcohol-polyoxyethylene ether and 20 parts of polyaminoester emulsions, add successively in the container, treat complete dispersed with stirring, the liquid of gained is dispersion liquid; Then be prepared dispersion liquid to be produced in the non-woven fabrics raw material by adding equably in 6: 94 by the weight proportion of dispersion liquid and the raw material of producing non-woven fabrics, press the normal production process production of non-woven fabrics non-woven fabrics; The non-woven fabrics of producing is magnetized by magnet charger, and the non-woven fabrics rewinding of the magnetic of will substituting the bad for the good at last becomes suitable diameter, cuts into suitable width, is present embodiment 2.
Embodiment 3
Take by weighing 0.5 part of hydroxyethyl ether cellulose and add in the container, add 24.3 parts of deionized waters, stir, until hydroxyethyl ether cellulose dissolves fully; Take by weighing 0.2 part of carboxyethylgermanium sesquioxide, 30 parts of strontium-ferrite powders, 10 parts of water white transparency nanometer silver solution, 5 parts of fatty alcohol-polyoxyethylene ether and 30 parts of polyaminoester emulsions, add successively in the container, treat complete dispersed with stirring, the liquid of gained is dispersion liquid; Then be prepared dispersion liquid to be produced in the non-woven fabrics raw material by adding equably in 3: 97 by the weight proportion of dispersion liquid and the raw material of producing non-woven fabrics, press the normal production process production of non-woven fabrics non-woven fabrics; The non-woven fabrics of producing is magnetized by magnet charger, and the non-woven fabrics rewinding of the magnetic of will substituting the bad for the good at last becomes suitable diameter, cuts into suitable width, is present embodiment 3.

Claims (4)

1. sanitary towel chip with magnetic functions of bacteriostasis and health-care, it is characterized in that, it is re-dubbed dispersion liquid with plurality of raw materials, then dispersion liquid is added equably and produce in the non-woven fabrics raw material, press the normal production process of non-woven fabrics again and produce non-woven fabrics, the non-woven fabrics of producing is magnetized by magnet charger, the non-woven fabrics rewinding of the magnetic of will substituting the bad for the good at last becomes suitable diameter, cut into suitable width, i.e. a kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care.
2. a kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care according to claim 1 is characterized in that, dispersion liquid is to adopt following weight ratio prescription:
Carboxyethylgermanium sesquioxide 0.05~0.2%,
Strontium-ferrite powder 10~30%,
Water white transparency nanometer silver solution 3~10%,
Fatty alcohol-polyoxyethylene ether 1~5%,
Hydroxyethyl ether cellulose 0.3~2%,
Polyaminoester emulsion 10~30%,
The deionized water surplus.
3. a kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care according to claim 2, it is characterized in that, the particle diameter of strontium-ferrite powder is 0.1~2 micron, the mean diameter of silver is 2nm in the water white transparency nanometer silver solution, concentration is 1000ppm, and the range of viscosities of hydroxyethyl ether cellulose is 10000~15000mpa.s.
4. a kind of sanitary towel chip with magnetic functions of bacteriostasis and health-care according to claim 1 is characterized in that, dispersion liquid is (3~10) with the weight proportion of the raw material of producing non-woven fabrics: (97~90).
CN201210549792.9A 2012-12-18 2012-12-18 Sanitary napkin core slice with magnetism bacteriostasis healthcare function Expired - Fee Related CN102973979B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210549792.9A CN102973979B (en) 2012-12-18 2012-12-18 Sanitary napkin core slice with magnetism bacteriostasis healthcare function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210549792.9A CN102973979B (en) 2012-12-18 2012-12-18 Sanitary napkin core slice with magnetism bacteriostasis healthcare function

Publications (2)

Publication Number Publication Date
CN102973979A true CN102973979A (en) 2013-03-20
CN102973979B CN102973979B (en) 2014-12-03

Family

ID=47848507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210549792.9A Expired - Fee Related CN102973979B (en) 2012-12-18 2012-12-18 Sanitary napkin core slice with magnetism bacteriostasis healthcare function

Country Status (1)

Country Link
CN (1) CN102973979B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105038550A (en) * 2015-07-03 2015-11-11 深圳市宜丽环保科技有限公司 Coating material having health functions and specially used for leather

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010104509A (en) * 2000-05-12 2001-11-26 이종택 magnetic resonance sanitary goods
CN101088501A (en) * 2006-06-12 2007-12-19 冯宏章 Prepn process of germanium containing nutrient solution
CN101904785A (en) * 2009-06-04 2010-12-08 深圳市宜丽环保科技有限公司 Sanitary towel and health pad with anti-counterfeiting, heath care and antibacterial functions
CN102031639A (en) * 2009-09-30 2011-04-27 常熟市振泰不织布有限公司 Preparation technology of waterproof non-woven cloth
KR20110083117A (en) * 2010-01-13 2011-07-20 오은영 The sanitary pad for use with inserting vagina goods for catching the menses
CN102309777A (en) * 2010-07-09 2012-01-11 李虹光 Sanitary napkin capable of producing magnetomotive force and production method of same
CN102555317A (en) * 2012-01-05 2012-07-11 深圳市宜丽环保科技有限公司 Magnetic anti-counterfeiting health-care material and production method thereof
CN102600021A (en) * 2012-04-13 2012-07-25 徐忠海 Nanometer silver far-infrared negative ion magnet therapy sanitary towel and sanitary pad

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010104509A (en) * 2000-05-12 2001-11-26 이종택 magnetic resonance sanitary goods
CN101088501A (en) * 2006-06-12 2007-12-19 冯宏章 Prepn process of germanium containing nutrient solution
CN101904785A (en) * 2009-06-04 2010-12-08 深圳市宜丽环保科技有限公司 Sanitary towel and health pad with anti-counterfeiting, heath care and antibacterial functions
CN102031639A (en) * 2009-09-30 2011-04-27 常熟市振泰不织布有限公司 Preparation technology of waterproof non-woven cloth
KR20110083117A (en) * 2010-01-13 2011-07-20 오은영 The sanitary pad for use with inserting vagina goods for catching the menses
CN102309777A (en) * 2010-07-09 2012-01-11 李虹光 Sanitary napkin capable of producing magnetomotive force and production method of same
CN102555317A (en) * 2012-01-05 2012-07-11 深圳市宜丽环保科技有限公司 Magnetic anti-counterfeiting health-care material and production method thereof
CN102600021A (en) * 2012-04-13 2012-07-25 徐忠海 Nanometer silver far-infrared negative ion magnet therapy sanitary towel and sanitary pad

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105038550A (en) * 2015-07-03 2015-11-11 深圳市宜丽环保科技有限公司 Coating material having health functions and specially used for leather

Also Published As

Publication number Publication date
CN102973979B (en) 2014-12-03

Similar Documents

Publication Publication Date Title
Jing et al. The influence of microwave radiation from cellular phone on fetal rat brain
CN105055285B (en) A kind of skin-nourishing liquid and preparation method thereof
CN105687055A (en) Eye repair essence and preparation method thereof
CN103340816A (en) Special private care wet tissue for women
CN102302439B (en) Health-care bath foam and preparation method thereof
CN106137916A (en) The cosmetic composition of a kind of removing acnes and controlling oil whitening and application thereof
CN102309750A (en) A kind of conditioning health preserving film that is exclusively used in women's privates
CN103990173B (en) A kind of functional sanitary towel and preparation method applying probiotic bacteria
CN103599062A (en) Eye cream and preparation method thereof
CN104546517A (en) Mineral far-infrared alkaline anion activated concentrate and preparation method thereof
CN108451927A (en) The preparation method of tabernaemontanus bulrush perfume (or spice) agalloch eaglewood microcapsules and sanitary napkin and preparation method thereof
CN103356438B (en) Special-purposed care solution for female private part
CN108618986A (en) A kind of moisturizing anti-wrinkle Multifunctional mask liquid and preparation method thereof
CN107970485A (en) A kind of graphene sanitary towel chip
CN102973979B (en) Sanitary napkin core slice with magnetism bacteriostasis healthcare function
CN103284917A (en) Rose essential oil bath salt
CN102524315B (en) Sanitary towel hydrojet having bacteriostatic function and deodorant function
CN100396303C (en) Deer fetus-pearl capsule
Song et al. The application of pearls in Traditional Medicine of China and their chemical constituents, Pharmacology, Toxicology, and Clinical Research
CN102935060B (en) Pasties for breasts of women
CN109222534A (en) A kind of pillowcase
Liu et al. Preparation and safety evaluation of Centella asiatica total glycosides nitric oxide gel and its therapeutic effect on diabetic cutaneous ulcers
CN103202796B (en) Skin care composition and face cream with acne treatment efficacy and preparation method of face cream
CN102943009B (en) Essential oil soap with nourishing and moisturizing functions and method for preparing essential oil soap with nourishing and moisturizing functions
CN109135974B (en) Bee venom beauty handmade soap and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
DD01 Delivery of document by public notice

Addressee: Shenzhen Eli Environmental Protection Co., Ltd.

Document name: Notification of Publication of the Application for Invention

C14 Grant of patent or utility model
GR01 Patent grant
DD01 Delivery of document by public notice

Addressee: Shenzhen Eli Environmental Protection Co., Ltd.

Document name: Notification to Pay the Fees

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141203

Termination date: 20151218

EXPY Termination of patent right or utility model