CN1502335A - Application of Netilmicin sulfate in preparation of eye drops - Google Patents

Application of Netilmicin sulfate in preparation of eye drops Download PDF

Info

Publication number
CN1502335A
CN1502335A CNA021386625A CN02138662A CN1502335A CN 1502335 A CN1502335 A CN 1502335A CN A021386625 A CNA021386625 A CN A021386625A CN 02138662 A CN02138662 A CN 02138662A CN 1502335 A CN1502335 A CN 1502335A
Authority
CN
China
Prior art keywords
preparation
sodium
eye drop
netilmicin sulfate
netilmicin
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
CNA021386625A
Other languages
Chinese (zh)
Other versions
CN1264517C (en
Inventor
余世春
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.)
Tianjin Pharmaceutical Group Xinzheng Co., Ltd.
Original Assignee
ANTAI MEDICINE BIOTECHNOLOGY Co Ltd ANHUI PROV
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 ANTAI MEDICINE BIOTECHNOLOGY Co Ltd ANHUI PROV filed Critical ANTAI MEDICINE BIOTECHNOLOGY Co Ltd ANHUI PROV
Priority to CN 02138662 priority Critical patent/CN1264517C/en
Publication of CN1502335A publication Critical patent/CN1502335A/en
Application granted granted Critical
Publication of CN1264517C publication Critical patent/CN1264517C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The present invention belongs to a preparation process of eye drops with obvious curative effect for curing keratitis due to pseudomonas and infective ophthalmopathies due to gram-negative bacteria, pseudomonas aeruginosa and other bacteria. Said eye drops preparation is of netilamicin sulfate which is used as main raw material and adding chemical inhibitor, antioxidation synergist, preservative, pH regulating agent, isoosmotic regulating agent, stabilizing agent and solvent as auxiliary material.

Description

The application of netilmicin sulfate in the preparation eye drop preparation
Technical field
The present invention relates to a kind of preparation technology who treats the ophthalmic diseases medicine, specifically mainly cooperate adjuvant to prepare a kind of eye drop with netilmicin sulfate.
Background technology
In the present clinical ophthalmic remedy, the chemistry of antibiotics medicine has overwhelming superiority.According to statistics, at the patient 80%~90% that the ophthalmology outpatient service is gone to a doctor, outer eye infections.Local application is the main path of ophthalmic remedy, because local application not only can make the diseased region liquor strength higher, keeps the long period, and can save medicine greatly, reduces systemic side effects.Eye drop is the most frequently used topical remedy's dosage form of ophthalmology.In the eye drop of treatment eye inflammation, using more clinically is aminoglycoside, Macrolide, quinolones etc., and aminoglycoside, because permeability is good, has a broad antifungal spectrum, side effect is little, uses in rising trend always in recent years.
The netilmicin sulfate dosage form is a netilmicin sulfate inj, because this new drug belongs to aminoglycoside antibiotics of new generation, has the wide spectrum effect, especially this medicine relatively has lower kidney, neurotoxicity with similar antibiotic, event is easier to be accepted by the clinician, and it has been done many comparative study with similar medicine.The clinical efficacy of visible netilmicin and bacteriology's curative effect obviously are better than gentamycin (p<0.05) when the homemade netilmicin of clinical use, but there was no significant difference between both adverse reaction rates.External drug sensitive test result shows the medicaments insensitive rate of netilmicin far above gentamycin, has 77.3% gentamycin fastbacteria still responsive to netilmicin.There is 92.9% pair of netilmicin still responsive to the drug-fast escherichia coli of ciprofloxacin.Therefore, netilmicin can be widely used in the infection that clinical treatment gram negative bacilli and a part of gram positive bacteria are caused, and can be used for the treatment of gentamycin fastbacteria, the also treatment of the infection that can cause in anti-ciprofloxacin escherichia coli with the beta-lactam antibiotic use in conjunction.
Netilmicin sulfate has advantages such as good effect, side effect be low, but netilmicin sulfate is not applied to ophthalmology illness so far
Summary of the invention
The objective of the invention is and to be applied to prepare a kind of eye drop to netilmicin sulfate.
The application of netilmicin sulfate in the preparation eye drop preparation is characterized in that cooperating adjuvant to be prepared into a kind of netilmicin sulfate eye drop with netilmicin sulfate.
Adjuvant is antioxidant, antioxidant synergist, antiseptic, PH regulator, isoosmotic adjusting agent, stabilizing agent and solvent in the prepared netilmicin sulfate eye drop.
Antioxidant can be one or more in sodium sulfite, sodium pyrosulfite, sodium sulfite, sodium thiosulfate, ascorbic acid, thiourea, the cysteine in the prepared netilmicin sulfate eye drop, is preferably sodium sulfite; Antioxidant synergist is one or more in Calcium Disodium Versenate, disodium edetate, calcium disodium edetate, diethyl triamine five acetic acid, the dimercaptopropanol, BAL, is preferably Calcium Disodium Versenate; Antiseptic is one or more in benzyl alcohol, methyl parahydroxybenzoate, ethylparaben, propyl p-hydroxybenzoate, butyl p-hydroxybenzoate, benzalkonium bromide, benzalkonium chloride, chlorobutanol, phenethanol, thimerosal, mercuric oxycyanide, sorbic acid, hibitane, the benzoic acid, is preferably benzyl alcohol; The PH regulator is one or more in boric acid, sodium dihydrogen phosphate, Borax, sodium hydrogen phosphate, sodium acetate, acetic acid, anhydrous sodium phosphate, citric acid, the sodium citrate, is preferably boric acid, sodium dihydrogen phosphate; Isoosmotic adjusting agent is sodium acetate or sodium chloride, is preferably sodium acetate; Stabilizing agent is a beta-schardinger dextrin-; Viscosifier are one or more in methylcellulose, Carboxymethyl cellulose sodium, hydroxypropyl methylcellulose, cellulose, polyvinyl alcohol, the 30 POVIDONE K 30 BP/USP 30, are preferably 30 POVIDONE K 30 BP/USP 30; Solvent is water for injection or distilled water.
Every 1000ml netilmicin sulfate eye drop prescription amount ranges is: netilmicin sulfate 10 ~ 20g, sodium sulfite 2 ~ 6g, benzyl alcohol 8 ~ 12g, beta-schardinger dextrin-3 ~ 8g, 30 POVIDONE K 30 BP/USP 30 8-12g, Calcium Disodium Versenate 0.05 ~ 0.5g, sodium acetate 10 ~ 15g, boric acid 0.8 ~ 2g, all the other are water for injection or distilled water.
Every 1000ml netilmicin sulfate eye drop optimization formula amount ranges is: netilmicin sulfate 15~18g, sodium sulfite 3 ~ 5g, benzyl alcohol 9 ~ 11g, beta-schardinger dextrin-4 ~ 6g, 30 POVIDONE K 30 BP/USP 30 9-11g, Calcium Disodium Versenate 0.08 ~ 0.2g, sodium acetate 11 ~ 14g, boric acid 1 ~ 2g, all the other are water for injection or distilled water.
Every 1000ml netilmicin sulfate eye drop optimization formula amount ranges is: netilmicin sulfate 15 ~ 18g, sodium sulfite 0.5 ~ 1.5g, Calcium Disodium Versenate 0.08 ~ 0.2g, ethyl hydroxybenzoate 0.1 ~ 0.3g, phosphoric acid hydrogen two is received 0.15 ~ 0.3g, biphosphate is received 0.5 ~ 0.7g, sodium chloride 0.2 ~ 0.4g, and all the other are water for injection or distilled water.
Every 1000ml netilmicin sulfate eye drop optimization formula amount ranges is: netilmicin sulfate 15 ~ 18g, and sodium sulfite 3 ~ 5g, ethyl hydroxybenzoate 0.1 ~ 0.3g, sodium chloride 0.5 ~ 0.9g, all the other are water for injection or distilled water.
The preparation method of netilmicin sulfate eye drop is: gets antioxidant, antioxidant synergist, antiseptic, PH regulator, isoosmotic adjusting agent, stabilizing agent in solvent, adds water to full dose, filter, and sterilization, cooling adds netilmicin sulfate, shakes up, and filters packing.
Its pharmacodynamics test of eye drop of the present invention preparation shows that the keratitis that rabbit bacillus pyocyaneus and staphylococcus aureus are caused all has therapeutical effect, and the performance inflammation obviously alleviates, and cornea is cultivated and is negative, and its curative effect is suitable with the amikacin eye drop.
Irritation test shows that single-dose does not have the obvious irritation reaction to the lagophthalmos mucosa; Also do not see local anaphylaxis in the experimental observation.Netilmicin eye drop successive administration is 7 days in addition, and drug withdrawal was observed 7 days, does not find that the lagophthalmos mucosa has the obvious irritation reaction; Also do not see local anaphylaxis; Histopathologic examination's medication group is identical with the normal saline matched group, no abnormal discovery.
The present invention has ideal therapeutic effect to the keratitis due to the pseudomonas strain; To have prior using value if be further used for the oculopathy of the clinical treatment strain infection of anti-the gentamycin.Because netilmicin sulfate has a broad antifungal spectrum, can be used for treating the infectious eye disease due to gram negative bacilli and a part of gram positive bacteria, can make choice drug the ophthalmic of the suspicious charrin's disease that can not affirm pathogen for the moment or the bacillary oculopathy of other not clear pathogen.Netilmicin sulfate eye drop nonirritant, safety, stable are a kind of up-and-coming antibiotic eye drop.Be expected to replace existing other aminoglycoside saccharide antibiotic and be considered as choice drug by the doctor.
The specific embodiment:
Preparation technology of the present invention: get sodium acetate, boric acid, sodium sulfite, Calcium Disodium Versenate, beta-schardinger dextrin-, benzyl alcohol, 30 POVIDONE K 30 BP/USP 30 and be dissolved in the water for injection, add water to full dose, add 0.01% 767 type needle-use activated carbons, stir after 30 minutes, take off charcoal through 0.45 μ m filtering with microporous membrane; 100 ℃ of 30 minutes circulation steam sterilizations are put cold back standby.Under the sterile working, add netilmicin sulfate, shake up, intermediate is up to the standards after packing behind the 0.22 μ m microporous filter membrane end-filtration, promptly.
The concrete operations step:
(1) the plastics eye drop bottle is cleaned, 100 ℃ of 20 minutes circulation steam sterilizations, standby;
(2) sodium acetate, boric acid, sodium sulfite, Calcium Disodium Versenate, beta-schardinger dextrin-, benzyl alcohol, 30 POVIDONE K 30 BP/USP 30 are dissolved in water for injection and add to full dose;
1. add 0.01% 767 type needle-use activated carbons, stir after 30 minutes, take off charcoal through 0.45 μ m filtering with microporous membrane, 100 ℃ of 30 minutes circulation steam sterilizations, standby;
2. under the sterile working, netilmicin sulfate is dissolved in above solution, stirs;
3. the intermediate passed examination is after packing behind the 0.22 μ m microporous filter membrane end-filtration;
4. product inspection.
Experimental formula of the present invention is table as a result:
Formula number 1234
Netilmicin sulfate (g) 16.9 16.9 16.9 16.9
Sodium sulfite (g) 1.0 444
Calcium Disodium Versenate (g) 0.1/0.1/
Ethyl hydroxybenzoate (g) 0.2 // 0.2
Benzyl alcohol (ml)/10 10/
30 POVIDONE K 30 BP/USP 30 (g)/10 10/
Beta-schardinger dextrin-(g)/15 5/
Sodium hydrogen phosphate (g) 0.24 ///
Sodium dihydrogen phosphate (g) 0.66 ///
Sodium acetate (g)/13 13/
Boric acid (g)/1.4 1.4/
Sodium chloride (g) 0.32 // 0.84
The face light yellow complexion is shallower than yellow No. 2 and is shallower than yellow No. 2 little Huangs
Accelerated test 1 clarity is up to specification to have the Xiao Bai piece up to specification
Related substance was up to specification in individual month
Content no change no change no change no change
Prescription 3 is through accelerated test after one month, and every index does not all have obvious change, so prescription 3 is an optimum formula of the present invention.Each component effect in the prescription
Netilmicin sulfate: principal agent
Sodium sulfite: antioxidant
Calcium Disodium Versenate: antioxidant synergist
Benzyl alcohol: antiseptic
Sodium acetate, boric acid: regulate pH, adjusting etc. and ooze
Beta-schardinger dextrin-: enhanced stability
30 POVIDONE K 30 BP/USP 30: viscosifier
Water for injection: solvent
Netilmicin sulfate in aqueous solution after tested pH be 3.5~5.5, consider clinical use and experimental studies results, this product is transferred pH with sodium acetate-borate buffer solution in process of production, the pH of finished product is between 4.0~7.0 after testing.
The filter that uses in the production process etc. all adopts suitable method to sterilize.
The sodium chloride of sodium sulfite 1% solution etc. oozes equivalent E=0.61, and the sodium chloride of sodium acetate 1% solution etc. oozes equivalent E=0.46, and the sodium chloride of boric acid 1% solution etc. oozes equivalent E=0.50, and the sodium chloride of benzyl alcohol 1% solution etc. oozes equivalent E=0.17
The sodium chloride equivalent of this product is 0.61 * 0.4+0.46 * 1.3+0.5 * 0.14=0.912
The osmotic pressure of this product is equivalent to 0.912% sodium chloride solution, and promptly this product is an isosmotic solution.
The netilmicin sulfate eye drop is to the inflammatory reaction scoring of the golden Portugal of rabbit (n=5) bacterium property keratitis
After the drug withdrawal of medication phase
Group
1d 2d 3d 1d 3d 5d 7d
The heavy dose of group 5.5 4.5 30000 of netilmicin
Netilmicin small dose group 5.5 5.5 4.0 2100
Positive controls 4.0 3.5 3.0 2.0 1.5 11
Corneal injury+infected group 25 25 25 23 22 20 20
Corneal injury is infected group 4.0 4.0 2.5 1.0 1.0 1.0 1.0 not
The netilmicin sulfate eye drop is to the therapeutical effect of rabbit gold Portugal bacterium property keratitis
After the drug withdrawal of medication phase
The group preface
1d 2d 3d 1d 3d 5d 7d
Alias
L R L R L R L R L R L R L R
How 11111 0.5 100000000
For 2 0.5 0.5 0.5 0.5 0000000000
Rice 3 0.5 0.5 000000000000
Star 4 0.5 0 0.5 0 0.5 000000000
Greatly
Agent
5 0.5 0.5 0.5 0.5 0.5 0.5 0 0 0 0 0 0 0 0
Amount
Group
How 1 0.5 0.5 0.5 0.5 0 0.5 00000000
For 2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0000
Rice 3 0.5 0.5 0.5 0.5 0000000000
Star
4 0.5 1 0.5 1 0.5 1 0.5 0.5 0 0 0 0 0 0
Little
Agent
5 0.5 0.5 0.5 0.5 0.5 0.5 0 0 0 0 0 0 0 0
Amount
Group
Sun 10 0.5 000000000000
Property 2111111 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
To 3 0.5 0 0.5 00 0. 00000000
According to
4 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Medicine
5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0 0 0 0 0
Group
Angle 133333333333333
Film 222222222222222
Decrease 323232323222222
Hinder 433333322222222
+
Sense
5 2 2 2 2 2 2 2 2 2 2 1 1 1 1
Dye
Group
Angle 1 0.5 0.5 0.5 0.5 0.5 0.5 00000000
Film 200000000000000
Decrease 3 0.5 0.5 0.5 0.5 0.5 0.5 00000000
Hinder
4 1 0.5 1 0.5 0 0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
No
No
Sense
5 0.5 0 0.5 0 0.5 0 0 0 0 0 0 0 0 0
Dye
Group
Annotate: L is a left eye, and R is a right eye

Claims (8)

1, the application of netilmicin sulfate in the preparation eye drop preparation is characterized in that cooperating adjuvant to be prepared into a kind of netilmicin sulfate eye drop with netilmicin sulfate.
2, the application of netilmicin sulfate according to claim 1 in the preparation eye drop preparation is characterized in that adjuvant is antioxidant, antioxidant synergist, antiseptic, PH regulator, isoosmotic adjusting agent, stabilizing agent and solvent in the prepared netilmicin sulfate eye drop.
3, the application of netilmicin sulfate according to claim 2 in the preparation eye drop preparation, it is characterized in that antioxidant in the prepared netilmicin sulfate eye drop can be one or more in sodium sulfite, sodium pyrosulfite, sodium sulfite, sodium thiosulfate, ascorbic acid, thiourea, the cysteine, is preferably sodium sulfite; Antioxidant synergist is one or more in Calcium Disodium Versenate, disodium edetate, calcium disodium edetate, diethyl triamine five acetic acid, the dimercaptopropanol, BAL, is preferably Calcium Disodium Versenate; Antiseptic is one or more in benzyl alcohol, methyl parahydroxybenzoate, ethylparaben, propyl p-hydroxybenzoate, butyl p-hydroxybenzoate, benzalkonium bromide, benzalkonium chloride, chlorobutanol, phenethanol, thimerosal, mercuric oxycyanide, sorbic acid, hibitane, the benzoic acid, is preferably benzyl alcohol; The PH regulator is one or more in boric acid, sodium dihydrogen phosphate, Borax, sodium hydrogen phosphate, sodium acetate, acetic acid, anhydrous sodium phosphate, citric acid, the sodium citrate, is preferably boric acid, sodium dihydrogen phosphate; Isoosmotic adjusting agent is sodium acetate or sodium chloride, is preferably sodium acetate; Stabilizing agent is a beta-schardinger dextrin-; Viscosifier are one or more in methylcellulose, Carboxymethyl cellulose sodium, hydroxypropyl methylcellulose, cellulose, polyvinyl alcohol, the 30 POVIDONE K 30 BP/USP 30, are preferably 30 POVIDONE K 30 BP/USP 30; Solvent is water for injection or distilled water.
4, according to claim 1, the application of 2 or 3 described netilmicin sulfates in the preparation eye drop preparation, it is characterized in that every 1000ml netilmicin sulfate eye drop prescription amount ranges is: netilmicin sulfate 10 ~ 20g, sodium sulfite 2 ~ 6g, benzyl alcohol 8 ~ 12g, beta-schardinger dextrin-3 ~ 8g, 30 POVIDONE K 30 BP/USP 30 8-12g, Calcium Disodium Versenate 0.05 ~ 0.5g, sodium acetate 10 ~ 15g, boric acid 0.8 ~ 2g, all the other are water for injection or distilled water.
5, according to claim 1, the application of 2 or 3 described netilmicin sulfates in the preparation eye drop preparation, it is characterized in that every 1000ml netilmicin sulfate eye drop optimization formula amount ranges is: netilmicin sulfate 15~18g, sodium sulfite 3 ~ 5g, benzyl alcohol 9 ~ 11g, beta-schardinger dextrin-4 ~ 6g, 30 POVIDONE K 30 BP/USP 30 9-11g, Calcium Disodium Versenate 0.08 ~ 0.2g, sodium acetate 11 ~ 14g, boric acid 1 ~ 2g, all the other are water for injection or distilled water.
6, according to claim 1, the application of 2 or 3 described netilmicin sulfates in the preparation eye drop preparation, it is characterized in that every 1000ml netilmicin sulfate eye drop optimization formula amount ranges is: netilmicin sulfate 15 ~ 18g, sodium sulfite 0.5 ~ 1.5g, Calcium Disodium Versenate 0.08 ~ 0.2g, ethyl hydroxybenzoate 0.1 ~ 0.3g, phosphoric acid hydrogen two receive 0.15 ~ 0.3g, and biphosphate is received 0.5 ~ 0.7g, sodium chloride 0.2 ~ 0.4g, all the other are water for injection or distilled water.
7, according to claim 1, the application of 2 or 3 described netilmicin sulfates in the preparation eye drop preparation, it is characterized in that every 1000ml netilmicin sulfate eye drop optimization formula amount ranges is: netilmicin sulfate 15 ~ 18g, sodium sulfite 3 ~ 5g, ethyl hydroxybenzoate 0.1 ~ 0.3g, sodium chloride 0.5 ~ 0.9g, all the other are water for injection or distilled water.
8, the application of netilmicin sulfate according to claim 1 in the preparation eye drop preparation, the preparation method that it is characterized in that the netilmicin sulfate eye drop is: get antioxidant, antioxidant synergist, antiseptic, PH regulator, isoosmotic adjusting agent, stabilizing agent in solvent, add water to full dose, filter, sterilization, cooling adds netilmicin sulfate, shake up, filter packing.
CN 02138662 2002-11-21 2002-11-21 Application of Netilmicin sulfate in preparation of eye drops Expired - Fee Related CN1264517C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02138662 CN1264517C (en) 2002-11-21 2002-11-21 Application of Netilmicin sulfate in preparation of eye drops

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02138662 CN1264517C (en) 2002-11-21 2002-11-21 Application of Netilmicin sulfate in preparation of eye drops

Publications (2)

Publication Number Publication Date
CN1502335A true CN1502335A (en) 2004-06-09
CN1264517C CN1264517C (en) 2006-07-19

Family

ID=34231767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02138662 Expired - Fee Related CN1264517C (en) 2002-11-21 2002-11-21 Application of Netilmicin sulfate in preparation of eye drops

Country Status (1)

Country Link
CN (1) CN1264517C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101805382A (en) * 2010-04-14 2010-08-18 无锡山禾集团福祈制药有限公司 Separation and purification method of high-purity netilmicin
CN102525963A (en) * 2012-02-08 2012-07-04 武汉普生制药有限公司 Netilmicin sulfate lyophiled powder injection and preparation method thereof
CN105193722A (en) * 2015-10-28 2015-12-30 辅必成(上海)医药科技有限公司 Dimercaprol fat emulsion injection
CN105663520A (en) * 2016-02-29 2016-06-15 李宏 Wuhu oral liquid and preparing method thereof
CN112545985A (en) * 2020-12-30 2021-03-26 卓和药业集团有限公司 Eye drops containing netilmicin sulfate and preparation method thereof
CN114275906A (en) * 2021-12-10 2022-04-05 安徽安泰农业开发有限责任公司 Composite microbial inoculum for treating sewage of pig farm and preparation method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101805382A (en) * 2010-04-14 2010-08-18 无锡山禾集团福祈制药有限公司 Separation and purification method of high-purity netilmicin
CN101805382B (en) * 2010-04-14 2012-08-08 无锡福祈制药有限公司 Separation and purification method of high-purity netilmicin
CN102525963A (en) * 2012-02-08 2012-07-04 武汉普生制药有限公司 Netilmicin sulfate lyophiled powder injection and preparation method thereof
CN102525963B (en) * 2012-02-08 2013-05-08 武汉普生制药有限公司 Netilmicin sulfate lyophiled powder injection and preparation method thereof
CN105193722A (en) * 2015-10-28 2015-12-30 辅必成(上海)医药科技有限公司 Dimercaprol fat emulsion injection
CN105193722B (en) * 2015-10-28 2021-12-14 辅必成(上海)医药科技有限公司 Dimercaprol fat emulsion injection
CN105663520A (en) * 2016-02-29 2016-06-15 李宏 Wuhu oral liquid and preparing method thereof
CN105663520B (en) * 2016-02-29 2019-10-29 李宏 Five brave oral solutions and preparation method thereof
CN112545985A (en) * 2020-12-30 2021-03-26 卓和药业集团有限公司 Eye drops containing netilmicin sulfate and preparation method thereof
CN114275906A (en) * 2021-12-10 2022-04-05 安徽安泰农业开发有限责任公司 Composite microbial inoculum for treating sewage of pig farm and preparation method thereof

Also Published As

Publication number Publication date
CN1264517C (en) 2006-07-19

Similar Documents

Publication Publication Date Title
CN1246039C (en) Moxilfloxacin formulation containing common salt
CN1870997A (en) Treatment agent for keratoconjunctival disorder
WO2008053982A1 (en) Composition for treating allergy
JP2016145260A (en) Oral and injectable formulation of tetracycline compound
CN101130083B (en) Ophthalmic composition, producing method and use of the same
CN100586436C (en) Lotepredenol etabonate gernebcin suspension solution and method for preparing the same
CN1502335A (en) Application of Netilmicin sulfate in preparation of eye drops
CN1270707C (en) Ophthalmic solution
CN1943675A (en) Tibetan medicinal composition for expectorant, antitussive, antiasthmatic and its preparation method
CN1887352A (en) Composition for treating eye's fungal and bacterial infection
CN100335035C (en) Preparation method and application of Chinese medicinal preparation for ophthalmology
CN1660441A (en) Transmission system of drug for nasal cavity of containing trehalose and byaluronic acid, and preparation method
CN1197572C (en) Hypoalbuminemia improvement agent
CN1513530A (en) Chinese medicine for treating ashen nail and its preparation method
CN1843354A (en) Injectable pharmaceutical composition containing faropenem
CN1091441C (en) Amlo dipine mesylate and its preparation and application
CN1739616A (en) Skullcap root extract prepn for eye and its prepn process
CN1569010A (en) Etimicin sulfate preparation and its preparing method
CN1868483A (en) Injection for treating eperythrozoonosis of domestic animal and its prepn. method
JP5019923B2 (en) Pranoprofen-containing pharmaceutical composition
CN1062148C (en) Compound jiabing ear drops and preparation method thereof
CN1483478A (en) Eye preparation formula adapted for therapentic medicine
CN1272012C (en) Dermatopathy therapeutic medicine compositions and its preparation method
CN1634071A (en) Gel agent for treating glaucoma and its preparing process
JP2022527621A (en) Anesthetic composition and how to anesthetize the eye

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: TIANJIN PHARMACEUTICAL GROUP XINZHENG CO., LTD.

Free format text: FORMER OWNER: ANHUI AETNA MEDICINE BIOTECHNOLOGY CO., LTD.

Effective date: 20100108

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20100108

Address after: No. 6, Renmin Middle Road, Xinzheng, Henan

Patentee after: Tianjin Pharmaceutical Group Xinzheng Co., Ltd.

Address before: Bio pharmaceutical Park, hi tech Zone, 669 West Changjiang Road, Anhui, Hefei

Patentee before: Antai Medicine Biotechnology Co., Ltd., Anhui Prov.

EE01 Entry into force of recordation of patent licensing contract

Assignee: Tianjin Pharmaceutical Group Xinzheng Co., Ltd.

Assignor: Antai Medicine Biotechnology Co., Ltd., Anhui Prov.

Contract fulfillment period: 2009.4.15 to 2014.4.14 contract change

Contract record no.: 2009410000260

Denomination of invention: Application of Netilmicin sulfate in preparation of eye drops

Granted publication date: 20060719

License type: Exclusive license

Record date: 20091126

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.15 TO 2014.4.14; CHANGE OF CONTRACT

Name of requester: TIANJIN PHARMACEUTICAL GROUP XINZHENG CO., LTD.

Effective date: 20091126

EC01 Cancellation of recordation of patent licensing contract

Assignee: Tianjin Pharmaceutical Group Xinzheng Co., Ltd.

Assignor: Antai Medicine Biotechnology Co., Ltd., Anhui Prov.

Contract record no.: 2009410000260

Date of cancellation: 20111219

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

Granted publication date: 20060719

Termination date: 20161121

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