GB1412489A - Artificial skin - Google Patents
Artificial skinInfo
- Publication number
- GB1412489A GB1412489A GB886273A GB886273A GB1412489A GB 1412489 A GB1412489 A GB 1412489A GB 886273 A GB886273 A GB 886273A GB 886273 A GB886273 A GB 886273A GB 1412489 A GB1412489 A GB 1412489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- meth
- acrylates
- alkyl
- sponge
- polymer
- 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
Links
Classifications
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/60—Materials for use in artificial skin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/08—Reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Dermatology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00242162A US3849238A (en) | 1972-04-07 | 1972-04-07 | Artificial skin |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1412489A true GB1412489A (en) | 1975-11-05 |
Family
ID=22913693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB886273A Expired GB1412489A (en) | 1972-04-07 | 1973-02-22 | Artificial skin |
Country Status (5)
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3901236A (en) * | 1974-07-29 | 1975-08-26 | Union Carbide Corp | Disposable absorbent articles containing hydrogel composites having improved fluid absorption efficiencies and processes for preparation |
US3949742A (en) * | 1974-09-20 | 1976-04-13 | Frigitronics, Inc. | Medical dressing |
US3978855A (en) * | 1975-01-17 | 1976-09-07 | Ionics Lyo Products Company | Polyurethane foam surgical dressing |
US4060081A (en) * | 1975-07-15 | 1977-11-29 | Massachusetts Institute Of Technology | Multilayer membrane useful as synthetic skin |
FR2352550A1 (fr) * | 1976-05-24 | 1977-12-23 | Nat Patent Dev Corp | Procede de production, par polymerisation en milieu aqueux, d'un polymere hydrophile et soluble dans les alcools, et applications |
US4060084A (en) * | 1976-09-07 | 1977-11-29 | Alza Corporation | Method and therapeutic system for providing chemotherapy transdermally |
US4146027A (en) * | 1976-09-24 | 1979-03-27 | Rohm And Haas Company | Method for dressing a wound |
US4343927A (en) * | 1976-11-08 | 1982-08-10 | Chang Sing Hsiung | Hydrophilic, soft and oxygen permeable copolymer compositions |
GB1562244A (en) * | 1976-11-11 | 1980-03-05 | Lock P M | Wound dressing materials |
CH625702A5 (US08080257-20111220-C00005.png) * | 1977-01-18 | 1981-10-15 | Delalande Sa | |
DE2946553A1 (de) * | 1979-11-17 | 1981-05-27 | Hoechst Ag, 6000 Frankfurt | Abdeckvorrichtung zur behandlung der haut auf basis von gelartigen polymeren |
US5120813A (en) * | 1980-02-29 | 1992-06-09 | Th. Goldschmidt Ag | Moisture vapor permeable materials |
US4344999A (en) * | 1980-04-22 | 1982-08-17 | W. L. Gore & Associates, Inc. | Breathable laminate |
US4361552A (en) * | 1980-09-26 | 1982-11-30 | Board Of Regents, The University Of Texas System | Wound dressing |
US4671267A (en) * | 1984-05-30 | 1987-06-09 | Edward I. Stout | Gel-based therapy member and method |
GB2170713B (en) * | 1985-02-13 | 1988-10-05 | Tpo Pharmachim | Human skin substitute for temporary use |
US4699141A (en) * | 1986-01-16 | 1987-10-13 | Rhode Island Hospital | Neovascularization |
US5006342A (en) * | 1986-12-22 | 1991-04-09 | Cygnus Corporation | Resilient transdermal drug delivery device |
US4906463A (en) * | 1986-12-22 | 1990-03-06 | Cygnus Research Corporation | Transdermal drug-delivery composition |
AU607172B2 (en) * | 1986-12-22 | 1991-02-28 | Cygnus, Inc. | Diffusion matrix for transdermal drug administration |
US4885161A (en) * | 1987-03-11 | 1989-12-05 | Medi-Tech International Corporation | Wound dressings in gelled paste form |
US4929577A (en) * | 1987-03-11 | 1990-05-29 | Medi-Tech International Corporation | Transparent wound dressings in sheet form |
US4906475A (en) * | 1988-02-16 | 1990-03-06 | Paco Pharmaceutical Services | Estradiol transdermal delivery system |
US5252334A (en) * | 1989-09-08 | 1993-10-12 | Cygnus Therapeutic Systems | Solid matrix system for transdermal drug delivery |
CA2030593C (en) * | 1989-12-29 | 2002-03-26 | Donald H. Lucast | Multi-layered dressing |
US6680113B1 (en) | 1989-12-29 | 2004-01-20 | 3M Innovative Properties Company | Multi-layered dressing |
US5284468A (en) * | 1991-08-19 | 1994-02-08 | M-Pact Worldwide Management Corporation | Orthopedic splinting article |
US5336163A (en) * | 1993-01-06 | 1994-08-09 | Smith & Nephew Richards, Inc. | Expandable nasal stent |
FR2742229B1 (fr) * | 1995-12-06 | 1998-02-27 | Lvmh Rech | Utilisation de materiaux polymeriques permettant de mimer la peau, en particulier dans une cellule de diffusion |
US5716621A (en) * | 1996-07-03 | 1998-02-10 | Pharmadyn, Inc. | Nonocclusive drug delivery device and process for its manufacture |
US20050147656A1 (en) * | 2001-06-14 | 2005-07-07 | Hemcon, Inc. | Tissue dressing assemblies, systems, and methods formed from hydrophilic polymer sponge structures such as chitosan |
US7371403B2 (en) | 2002-06-14 | 2008-05-13 | Providence Health System-Oregon | Wound dressing and method for controlling severe, life-threatening bleeding |
US7897832B2 (en) * | 2001-06-14 | 2011-03-01 | Hemcon Medical Technologies, Inc. | Compositions, assemblies, and methods applied during or after a dental procedure to ameliorate fluid loss and/or promote healing, using a hydrophilic polymer sponge structure such as chitosan |
JP4332030B2 (ja) * | 2001-06-14 | 2009-09-16 | プロビデンス ヘルス システム−オレゴン | 創傷被覆材、および重篤で生命にかかわる出血を制御する方法 |
US20060004314A1 (en) * | 2001-06-14 | 2006-01-05 | Hemcon, Inc. | Antimicrobial barriers, systems, and methods formed from hydrophilic polymer structures such as chistosan |
US8741335B2 (en) | 2002-06-14 | 2014-06-03 | Hemcon Medical Technologies, Inc. | Hemostatic compositions, assemblies, systems, and methods employing particulate hemostatic agents formed from hydrophilic polymer foam such as Chitosan |
US20050137512A1 (en) * | 2003-12-23 | 2005-06-23 | Campbell Todd D. | Wound dressing and method for controlling severe, life-threatening bleeding |
US8269058B2 (en) * | 2002-06-14 | 2012-09-18 | Hemcon Medical Technologies, Inc. | Absorbable tissue dressing assemblies, systems, and methods formed from hydrophilic polymer sponge structures such as chitosan |
KR101105081B1 (ko) * | 2003-12-23 | 2012-01-16 | 헴콘 메디컬 테크놀로지스, 인크. | 키토산과 같은 친수성 중합체 스폰지 구조체로부터 형성된조직 드레싱 조립체, 시스템 및 방법 |
US8002830B2 (en) | 2004-02-06 | 2011-08-23 | Georgia Tech Research Corporation | Surface directed cellular attachment |
AU2005212339B2 (en) | 2004-02-06 | 2010-11-25 | Georgia Tech Research Corporation | Load bearing biocompatible device |
US20050278025A1 (en) * | 2004-06-10 | 2005-12-15 | Salumedica Llc | Meniscus prosthesis |
US9204957B2 (en) | 2005-03-17 | 2015-12-08 | Hemcon Medical Technologies, Inc. | Systems and methods for hemorrhage control and or tissue repair |
AU2007268015A1 (en) * | 2006-05-23 | 2007-12-06 | Providence Health System-Oregon D/B/A Providence St. Vincent Medical Center | Systems and methods for introducing and applying a bandage structure within a body lumen or hollow body organ |
CA2723172A1 (en) * | 2008-05-02 | 2009-11-05 | Providence Health System-Oregon D/B/A Providence St. Vincent Medical Cen Ter | Wound dressing devices and methods |
EP2340002B1 (en) | 2008-10-06 | 2015-03-25 | Providence Health System - Oregon | Foam medical devices and methods |
WO2010096824A1 (en) * | 2009-02-23 | 2010-08-26 | Bartee Barry K | Reinforced ptfe medical barrier |
EA201390099A1 (ru) | 2011-05-26 | 2013-05-30 | Картива, Инк. | Конический суставный имплант и относящиеся к нему инструменты |
CA2981064C (en) | 2015-03-31 | 2024-01-02 | Cartiva, Inc. | Carpometacarpal (cmc) implants and methods |
CA2981061A1 (en) | 2015-03-31 | 2016-10-06 | Cartiva, Inc. | Hydrogel implants with porous materials and methods |
EP3282961A4 (en) | 2015-04-14 | 2018-12-05 | Cartiva, Inc. | Tooling for creating tapered opening in tissue and related methods |
US10118320B2 (en) * | 2015-05-18 | 2018-11-06 | Disney Enterprises, Inc. | Biomimetic skin for an animatronic figure and other applications |
CN108392681B (zh) * | 2018-01-25 | 2021-04-06 | 山东美毅生物技术有限公司 | 一种人造皮肤用材料及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2976576A (en) * | 1956-04-24 | 1961-03-28 | Wichterle Otto | Process for producing shaped articles from three-dimensional hydrophilic high polymers |
US3520949A (en) * | 1966-07-26 | 1970-07-21 | Nat Patent Dev Corp | Hydrophilic polymers,articles and methods of making same |
NO134790C (no) * | 1968-07-09 | 1984-03-22 | Smith & Nephew | Klebende,; trykkfoelsomt, vanndamp-permeabelt produkt for bruk paa hud hos mennesker. |
DE1902076A1 (de) * | 1969-01-16 | 1970-09-24 | Roehm & Haas Gmbh | Verfahren zur Herstellung von Acrylatschaumstoffen |
US3665918A (en) * | 1970-01-12 | 1972-05-30 | Johnson & Johnson | Conformable adhesive sheet |
US3668050A (en) * | 1970-03-09 | 1972-06-06 | Kimberly Clark Co | Surgical drape |
BE789293Q (fr) * | 1970-12-07 | 1973-01-15 | Parke Davis & Co | Pansement medico-chirugical pour brulures et lesions analogues |
-
1972
- 1972-04-07 US US00242162A patent/US3849238A/en not_active Expired - Lifetime
-
1973
- 1973-02-22 GB GB886273A patent/GB1412489A/en not_active Expired
- 1973-02-22 FR FR7306211A patent/FR2181756B3/fr not_active Expired
- 1973-04-05 DE DE2317081A patent/DE2317081A1/de active Pending
- 1973-04-06 JP JP3885073A patent/JPS5649135B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2181756A1 (US08080257-20111220-C00005.png) | 1973-12-07 |
JPS5649135B2 (US08080257-20111220-C00005.png) | 1981-11-19 |
FR2181756B3 (US08080257-20111220-C00005.png) | 1979-03-16 |
DE2317081A1 (de) | 1973-10-31 |
US3849238A (en) | 1974-11-19 |
JPS499087A (US08080257-20111220-C00005.png) | 1974-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1412489A (en) | Artificial skin | |
ATE56609T1 (de) | Kuenstliche gefaesswand. | |
IL117332A (en) | Method of making a pressure sensitive skin adhesive sheet material | |
JPS57158217A (en) | Biomedical article comprising cycloalkyl modifier-containing polysiloxane polymer | |
ES450189A1 (es) | Un metodo de formar un vendaje. | |
DE3061072D1 (en) | Adhesive tape | |
ATE211759T1 (de) | Mehrschichtiger gasdurchlässiger behälter zur zuchtung von adhärenten und nicht-adhärenten zellen | |
KR100186862B1 (en) | Pressure sensitive adhesive laminate | |
GR1002321B (el) | Ελασμα υδρογελης, επιδεσμοι και συνθετα & μεθοδοι για σχηματισμο αυτων. | |
CA2129648A1 (en) | Device for cell culture treatment | |
IE37894B1 (en) | Disposable device for concentrating liquid specimens | |
EP1462515A4 (en) | APPARATUS FOR CULTURING TISSUE / CELLS | |
ES435992A1 (es) | Un procedimiento para inmovilizar celulas microbianas. | |
FR2453185B1 (US08080257-20111220-C00005.png) | ||
ES8605672A1 (es) | Un procedimiento para la produccion de un dispositivo para la liberacion controlada y prolongada de por lo menos un a- gente activo a un entorno ambiente | |
EP0073649A3 (en) | Surface-treated soft contact lenses | |
GB1466702A (en) | Polymer encapsulated-activated carbon | |
DE69614942T2 (de) | Hydrophiles Klebemittel | |
FR2148484A1 (en) | Soundproof glazing unit - consisting of relatively thick plastic layer between two glass layers | |
ATE13192T1 (de) | Perlpolymerisat und dessen verwendung zur immobilisierung von enzymen. | |
GB1436705A (en) | N-vinyl pyrrolidone copolymers | |
GB1394056A (en) | Contact lenses | |
GB1376204A (en) | Artificial dentures | |
ES314175A1 (es) | Procedimiento para la fabricaciën de ojos de munecos | |
JPS6467209A (en) | Composite membrane having selective permeability to gases |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |