JPH0360871B2 - - Google Patents
Info
- Publication number
- JPH0360871B2 JPH0360871B2 JP59504117A JP50411784A JPH0360871B2 JP H0360871 B2 JPH0360871 B2 JP H0360871B2 JP 59504117 A JP59504117 A JP 59504117A JP 50411784 A JP50411784 A JP 50411784A JP H0360871 B2 JPH0360871 B2 JP H0360871B2
- Authority
- JP
- Japan
- Prior art keywords
- collagen
- gel
- film
- acid
- collagen gel
- 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.)
- Expired - Lifetime
Links
- 239000000512 collagen gel Substances 0.000 description 113
- 102000008186 Collagen Human genes 0.000 description 110
- 108010035532 Collagen Proteins 0.000 description 110
- 229920001436 collagen Polymers 0.000 description 110
- 239000010408 film Substances 0.000 description 85
- 238000004519 manufacturing process Methods 0.000 description 73
- 239000000499 gel Substances 0.000 description 57
- 239000000047 product Substances 0.000 description 48
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 42
- 239000002002 slurry Substances 0.000 description 37
- 239000002253 acid Substances 0.000 description 36
- 239000007787 solid Substances 0.000 description 30
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 26
- 238000000034 method Methods 0.000 description 26
- 239000012528 membrane Substances 0.000 description 25
- 206010042674 Swelling Diseases 0.000 description 23
- 230000008961 swelling Effects 0.000 description 23
- 210000002435 tendon Anatomy 0.000 description 22
- 108091005804 Peptidases Proteins 0.000 description 20
- 102000004190 Enzymes Human genes 0.000 description 18
- 108090000790 Enzymes Proteins 0.000 description 18
- 238000000576 coating method Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 229920002472 Starch Polymers 0.000 description 16
- 239000008107 starch Substances 0.000 description 16
- 235000019698 starch Nutrition 0.000 description 16
- 239000004365 Protease Substances 0.000 description 15
- 229940088598 enzyme Drugs 0.000 description 15
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 14
- 235000019419 proteases Nutrition 0.000 description 14
- 239000004310 lactic acid Substances 0.000 description 13
- 235000014655 lactic acid Nutrition 0.000 description 13
- 239000000843 powder Substances 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- 239000000725 suspension Substances 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 9
- 241001465754 Metazoa Species 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 9
- 240000006439 Aspergillus oryzae Species 0.000 description 8
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 241000283690 Bos taurus Species 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 102000035195 Peptidases Human genes 0.000 description 6
- 230000029087 digestion Effects 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 229920002261 Corn starch Polymers 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000008120 corn starch Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 5
- 239000011976 maleic acid Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 5
- 150000001299 aldehydes Chemical class 0.000 description 4
- 239000012670 alkaline solution Substances 0.000 description 4
- 210000004534 cecum Anatomy 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 238000013467 fragmentation Methods 0.000 description 4
- 238000006062 fragmentation reaction Methods 0.000 description 4
- 229940015043 glyoxal Drugs 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- 230000002797 proteolythic effect Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 3
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000001630 malic acid Substances 0.000 description 3
- 235000011090 malic acid Nutrition 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 235000002247 Aspergillus oryzae Nutrition 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 235000019687 Lamb Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- 210000001361 achilles tendon Anatomy 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 hydroxyl ions Chemical class 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 241000252983 Caecum Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 108090000270 Ficain Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 108010019160 Pancreatin Proteins 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 1
- 235000018417 cysteine Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000006862 enzymatic digestion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000019836 ficin Nutrition 0.000 description 1
- POTUGHMKJGOKRI-UHFFFAOYSA-N ficin Chemical compound FI=CI=N POTUGHMKJGOKRI-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229940055695 pancreatin Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B42/00—Surgical gloves; Finger-stalls specially adapted for surgery; Devices for handling or treatment thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
- A61F6/02—Contraceptive devices; Pessaries; Applicators therefor for use by males
- A61F6/04—Condoms, sheaths or the like, e.g. combined with devices protecting against contagion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/043—Proteins; Polypeptides; Degradation products thereof
- A61L31/044—Collagen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/74—Natural macromolecular material or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
- C08L89/04—Products derived from waste materials, e.g. horn, hoof or hair
- C08L89/06—Products derived from waste materials, e.g. horn, hoof or hair derived from leather or skin, e.g. gelatin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2389/00—Characterised by the use of proteins; Derivatives thereof
- C08J2389/04—Products derived from waste materials, e.g. horn, hoof or hair
- C08J2389/06—Products derived from waste materials, e.g. horn, hoof or hair derived from leather or skin
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Epidemiology (AREA)
- Materials Engineering (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Reproductive Health (AREA)
- Dermatology (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Peptides Or Proteins (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54696383A | 1983-10-31 | 1983-10-31 | |
| US546963 | 1983-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61501153A JPS61501153A (ja) | 1986-06-12 |
| JPH0360871B2 true JPH0360871B2 (es) | 1991-09-18 |
Family
ID=24182747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59504117A Granted JPS61501153A (ja) | 1983-10-31 | 1984-10-26 | コラ−ゲンゲルの製造法とそれから製造される膜製品 |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0162077A4 (es) |
| JP (1) | JPS61501153A (es) |
| AU (1) | AU579122B2 (es) |
| CA (1) | CA1239103A (es) |
| ES (1) | ES8605825A1 (es) |
| FI (1) | FI82703C (es) |
| IN (1) | IN163124B (es) |
| IT (1) | IT1196752B (es) |
| NZ (1) | NZ210035A (es) |
| WO (1) | WO1985001949A1 (es) |
| ZA (1) | ZA848412B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004021532A1 (de) * | 2004-05-03 | 2005-12-08 | Degussa Ag | Dispersion mit insektizider Wirkung |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2371883A (en) * | 1943-11-06 | 1945-03-20 | Gammeter | Dipped synthetic rubber article and method of making |
| US2920000A (en) * | 1955-11-07 | 1960-01-05 | Ethicon Inc Ethicon Inc | Removable valve Collagen article and the manufacture thereof |
| US2934446A (en) * | 1955-12-21 | 1960-04-26 | United Shoe Machinery Corp | Collagen fiber masses and methods of making the same |
| US3131130A (en) * | 1961-07-31 | 1964-04-28 | Ethicon Inc | Method of producing soluble collagen |
| US3551535A (en) * | 1964-12-01 | 1970-12-29 | Union Carbide Corp | Freezing-mixing process for making homogeneous collagen mixtures |
| US4233360A (en) * | 1975-10-22 | 1980-11-11 | Collagen Corporation | Non-antigenic collagen and articles of manufacture |
| JPS5365358A (en) * | 1976-11-22 | 1978-06-10 | Nippi Inc | Collagen fiber dispersion |
| US4055467A (en) * | 1976-12-20 | 1977-10-25 | Nalco Chemical Company | Enzymatic dispersion of biological slimes |
| US4268131A (en) * | 1979-04-11 | 1981-05-19 | Opticol Corporation | Fiber collagen contact lens |
| US4406853A (en) * | 1980-02-28 | 1983-09-27 | Collagen Development Corporation | Method of preparation of regenerated fiber collagen condom |
| US4349026A (en) * | 1980-02-28 | 1982-09-14 | Collagen Development Corp. | Regenerated fiber collagen condom and method of preparation |
| SE426902B (sv) * | 1980-05-23 | 1983-02-21 | Einar Sjolander | Etbart holje samt sett for dess framstellning |
| DE3372099D1 (en) * | 1982-03-08 | 1987-07-23 | Collagen Corp | Injectable cross-linked collagen implant material |
-
1984
- 1984-10-26 WO PCT/US1984/001744 patent/WO1985001949A1/en not_active Application Discontinuation
- 1984-10-26 AU AU36156/84A patent/AU579122B2/en not_active Ceased
- 1984-10-26 JP JP59504117A patent/JPS61501153A/ja active Granted
- 1984-10-26 EP EP19840904240 patent/EP0162077A4/en not_active Withdrawn
- 1984-10-29 ZA ZA848412A patent/ZA848412B/xx unknown
- 1984-10-29 CA CA000466495A patent/CA1239103A/en not_active Expired
- 1984-10-30 NZ NZ210035A patent/NZ210035A/xx unknown
- 1984-10-30 IT IT8468083A patent/IT1196752B/it active
- 1984-10-31 ES ES537299A patent/ES8605825A1/es not_active Expired
- 1984-11-13 IN IN860/MAS/84A patent/IN163124B/en unknown
-
1985
- 1985-05-17 FI FI851993A patent/FI82703C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU579122B2 (en) | 1988-11-17 |
| IT1196752B (it) | 1988-11-25 |
| FI82703C (fi) | 1991-04-10 |
| IT8468083A1 (it) | 1986-04-30 |
| ES537299A0 (es) | 1986-04-01 |
| EP0162077A1 (en) | 1985-11-27 |
| FI851993A0 (fi) | 1985-05-17 |
| NZ210035A (en) | 1988-10-28 |
| IN163124B (es) | 1988-08-13 |
| FI851993L (fi) | 1985-05-17 |
| CA1239103A (en) | 1988-07-12 |
| FI82703B (fi) | 1990-12-31 |
| WO1985001949A1 (en) | 1985-05-09 |
| EP0162077A4 (en) | 1987-06-09 |
| ES8605825A1 (es) | 1986-04-01 |
| JPS61501153A (ja) | 1986-06-12 |
| IT8468083A0 (it) | 1984-10-30 |
| ZA848412B (en) | 1985-08-28 |
| AU3615684A (en) | 1985-05-22 |
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