DE2018451A1 - Verfahren zur Herstellung eines Enzympräparats - Google Patents
Verfahren zur Herstellung eines EnzympräparatsInfo
- Publication number
- DE2018451A1 DE2018451A1 DE19702018451 DE2018451A DE2018451A1 DE 2018451 A1 DE2018451 A1 DE 2018451A1 DE 19702018451 DE19702018451 DE 19702018451 DE 2018451 A DE2018451 A DE 2018451A DE 2018451 A1 DE2018451 A1 DE 2018451A1
- Authority
- DE
- Germany
- Prior art keywords
- bacillus
- enzyme
- broth
- separation
- bacteria
- 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
Links
- 102000004190 Enzymes Human genes 0.000 title claims description 57
- 108090000790 Enzymes Proteins 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 34
- 238000002360 preparation method Methods 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 241000894006 Bacteria Species 0.000 claims description 25
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 24
- 239000000047 product Substances 0.000 claims description 21
- 238000000855 fermentation Methods 0.000 claims description 19
- 230000004151 fermentation Effects 0.000 claims description 19
- 230000001580 bacterial effect Effects 0.000 claims description 17
- 239000002244 precipitate Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 235000015097 nutrients Nutrition 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 241000194108 Bacillus licheniformis Species 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 241001660259 Cereus <cactus> Species 0.000 claims description 2
- 238000005185 salting out Methods 0.000 claims description 2
- 101000693530 Staphylococcus aureus Staphylokinase Proteins 0.000 claims 1
- 108010051873 alkaline protease Proteins 0.000 claims 1
- 229940088598 enzyme Drugs 0.000 description 49
- 235000010633 broth Nutrition 0.000 description 23
- 239000002609 medium Substances 0.000 description 16
- 230000002623 sporogenic effect Effects 0.000 description 12
- 108091005658 Basic proteases Proteins 0.000 description 11
- 108091005804 Peptidases Proteins 0.000 description 8
- 239000004365 Protease Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 7
- 238000005119 centrifugation Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229940079919 digestives enzyme preparation Drugs 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 244000063299 Bacillus subtilis Species 0.000 description 4
- 235000014469 Bacillus subtilis Nutrition 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 102000004139 alpha-Amylases Human genes 0.000 description 4
- 108090000637 alpha-Amylases Proteins 0.000 description 4
- 229940024171 alpha-amylase Drugs 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000193755 Bacillus cereus Species 0.000 description 3
- 235000019764 Soybean Meal Nutrition 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 229930006000 Sucrose Natural products 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 235000014633 carbohydrates Nutrition 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000006916 nutrient agar Substances 0.000 description 3
- 229920001592 potato starch Polymers 0.000 description 3
- 239000004455 soybean meal Substances 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- KKAJSJJFBSOMGS-UHFFFAOYSA-N 3,6-diamino-10-methylacridinium chloride Chemical compound [Cl-].C1=C(N)C=C2[N+](C)=C(C=C(N)C=C3)C3=CC2=C1 KKAJSJJFBSOMGS-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 102000011632 Caseins Human genes 0.000 description 2
- 108010076119 Caseins Proteins 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 229940023020 acriflavine Drugs 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 230000000721 bacterilogical effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 108010056230 butyloxycarbonyl-phenylalanyl-prolyl-arginine Proteins 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002797 proteolythic effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000028070 sporulation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- TXHNLEIEJZFRRG-KAMYIIQDSA-N (10z)-12-heptanoyl-1-oxacyclododec-10-en-2-one Chemical compound CCCCCCC(=O)C\1OC(=O)CCCCCCC\C=C/1 TXHNLEIEJZFRRG-KAMYIIQDSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 102000035195 Peptidases Human genes 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- DPKHZNPWBDQZCN-UHFFFAOYSA-N acridine orange free base Chemical compound C1=CC(N(C)C)=CC2=NC3=CC(N(C)C)=CC=C3C=C21 DPKHZNPWBDQZCN-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 230000003625 amylolytic effect Effects 0.000 description 1
- DZBUGLKDJFMEHC-UHFFFAOYSA-N benzoquinolinylidene Natural products C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical compound ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000004464 cereal grain Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000002962 chemical mutagen Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
- 229940008406 diethyl sulfate Drugs 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 235000020774 essential nutrients Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 239000003471 mutagenic agent Substances 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 230000036438 mutation frequency Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 125000000449 nitro group Chemical class [O-][N+](*)=O 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229940080237 sodium caseinate Drugs 0.000 description 1
- 229910000031 sodium sesquicarbonate Inorganic materials 0.000 description 1
- 235000018341 sodium sesquicarbonate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
- WCTAGTRAWPDFQO-UHFFFAOYSA-K trisodium;hydrogen carbonate;carbonate Chemical compound [Na+].[Na+].[Na+].OC([O-])=O.[O-]C([O-])=O WCTAGTRAWPDFQO-UHFFFAOYSA-K 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000012138 yeast extract Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
- C12N9/2408—Glucanases acting on alpha -1,4-glucosidic bonds
- C12N9/2411—Amylases
- C12N9/2414—Alpha-amylase (3.2.1.1.)
- C12N9/2417—Alpha-amylase (3.2.1.1.) from microbiological source
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/52—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea
- C12N9/54—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from bacteria or Archaea bacteria being Bacillus
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Enzymes And Modification Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1982169 | 1969-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2018451A1 true DE2018451A1 (de) | 1970-10-22 |
Family
ID=10135808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702018451 Pending DE2018451A1 (de) | 1969-04-18 | 1970-04-17 | Verfahren zur Herstellung eines Enzympräparats |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH547858A (enrdf_load_stackoverflow) |
| DE (1) | DE2018451A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2039274A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1303633A (enrdf_load_stackoverflow) |
| IT (1) | IT954088B (enrdf_load_stackoverflow) |
| NL (1) | NL7005582A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3833474A (en) * | 1971-07-28 | 1974-09-03 | Anvar | Asporogenic protease-producing strains of bacillus subtilis |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE447661C (sv) * | 1978-07-04 | 1997-04-14 | Novo Industri As | Subtilisinhaltig proteasprodukt med reducerad allergenicitet herledd ur bacillus licheniformis, forfarande for dess framstellning, tvettmedelskomposition innehallande densamma samt b. licheniformisstam nrrl b-11301, b-1 |
| WO2005123914A1 (en) * | 2004-06-21 | 2005-12-29 | Novozymes A/S | Improved methods of producing heterologous proteases |
-
1969
- 1969-04-18 GB GB1303633D patent/GB1303633A/en not_active Expired
-
1970
- 1970-04-08 IT IT4984170A patent/IT954088B/it active
- 1970-04-13 CH CH545870A patent/CH547858A/xx not_active IP Right Cessation
- 1970-04-17 NL NL7005582A patent/NL7005582A/xx unknown
- 1970-04-17 DE DE19702018451 patent/DE2018451A1/de active Pending
- 1970-04-17 FR FR7014056A patent/FR2039274A1/fr not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3833474A (en) * | 1971-07-28 | 1974-09-03 | Anvar | Asporogenic protease-producing strains of bacillus subtilis |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7005582A (enrdf_load_stackoverflow) | 1970-10-20 |
| IT954088B (it) | 1973-08-30 |
| FR2039274A1 (enrdf_load_stackoverflow) | 1971-01-15 |
| GB1303633A (enrdf_load_stackoverflow) | 1973-01-17 |
| CH547858A (de) | 1974-04-11 |
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