DK168175A - - Google Patents

Info

Publication number
DK168175A
DK168175A DK168175A DK168175A DK168175A DK 168175 A DK168175 A DK 168175A DK 168175 A DK168175 A DK 168175A DK 168175 A DK168175 A DK 168175A DK 168175 A DK168175 A DK 168175A
Authority
DK
Denmark
Application number
DK168175A
Other languages
Danish (da)
Other versions
DK144553B (da
DK144553C (da
Inventor
R W Roth
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of DK168175A publication Critical patent/DK168175A/da
Publication of DK144553B publication Critical patent/DK144553B/da
Application granted granted Critical
Publication of DK144553C publication Critical patent/DK144553C/da

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
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/64—Use of materials characterised by their function or physical properties specially adapted to be resorbable inside the body
    • 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
    • A61L27/58—Materials at least partially resorbable by the body
    • 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
    • A61L2400/00—Materials characterised by their function or physical properties
    • A61L2400/04—Materials for stopping bleeding

Landscapes

  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Medicinal Chemistry (AREA)
  • Dermatology (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • Nonwoven Fabrics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
DK168175A 1974-04-19 1975-04-18 Haemostatisk kirurgisk filt bestaaende af fibre af en vaevsabsorberbar polymer DK144553C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/462,559 US3937223A (en) 1974-04-19 1974-04-19 Compacted surgical hemostatic felt
US46255974 1974-04-19

Publications (3)

Publication Number Publication Date
DK168175A true DK168175A (nl) 1975-10-20
DK144553B DK144553B (da) 1982-03-29
DK144553C DK144553C (da) 1982-09-20

Family

ID=23836875

Family Applications (1)

Application Number Title Priority Date Filing Date
DK168175A DK144553C (da) 1974-04-19 1975-04-18 Haemostatisk kirurgisk filt bestaaende af fibre af en vaevsabsorberbar polymer

Country Status (27)

Country Link
US (2) US3937223A (nl)
JP (1) JPS5829105B2 (nl)
AT (1) AT343821B (nl)
AU (1) AU499869B2 (nl)
BE (1) BE828135A (nl)
BR (1) BR7502011A (nl)
CA (1) CA1062573A (nl)
CH (1) CH614118A5 (nl)
CS (1) CS213324B2 (nl)
DD (1) DD118527A5 (nl)
DE (1) DE2515970A1 (nl)
DK (1) DK144553C (nl)
ES (1) ES436723A1 (nl)
FR (1) FR2267794B1 (nl)
GB (1) GB1453265A (nl)
HU (1) HU171852B (nl)
IE (1) IE41111B1 (nl)
IL (1) IL46934A (nl)
IT (1) IT1035318B (nl)
NL (1) NL7504645A (nl)
PH (1) PH11073A (nl)
PL (1) PL100801B1 (nl)
RO (1) RO70496A (nl)
SE (1) SE411299B (nl)
SU (1) SU691066A3 (nl)
YU (1) YU98075A (nl)
ZA (1) ZA751805B (nl)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186448A (en) * 1976-04-16 1980-02-05 Brekke John H Device and method for treating and healing a newly created bone void
ZA777281B (en) * 1977-02-14 1978-10-25 American Cyanamid Co Method for preparing compacted polyglycolic acid felt
US4300565A (en) * 1977-05-23 1981-11-17 American Cyanamid Company Synthetic polyester surgical articles
US4243775A (en) * 1978-11-13 1981-01-06 American Cyanamid Company Synthetic polyester surgical articles
US4226232A (en) * 1979-04-09 1980-10-07 Spenco Medical Corporation Wound dressing
US4363319A (en) * 1980-06-30 1982-12-14 Applied Medical Devices, Inc. Ready-to-use bandage incorporating a coagulant composition and method of preparing same
FI64960C (fi) * 1982-10-08 1984-02-10 Tamfelt Oy Ab Transportfilt foer papperstillverkning och foerfarande foer des tillverkning
US4534349A (en) * 1983-02-02 1985-08-13 Minnesota Mining And Manufacturing Company Absorbable sutureless nerve repair device
US4883618A (en) * 1983-02-02 1989-11-28 Minnesota Mining And Manufacturing Company Absorbable nerve repair device and method
DE3316431A1 (de) * 1983-05-05 1984-11-08 Henkel KGaA, 4000 Düsseldorf Hygienevlies und verfahren zum herstellen des vlieses
US4669474A (en) * 1984-01-12 1987-06-02 Minnesota Mining And Manufacturing Company Absorbable nerve repair device and method
JPS60131607U (ja) * 1984-02-13 1985-09-03 マツダ株式会社 エンジンのロツカシヤフト取付け構造
ATE142236T1 (de) * 1984-03-06 1996-09-15 United States Surgical Corp Ein verfahren zur herstellung von zwei-phasen- zusammensetzungen für absorbierbare chirurgische ausrüstungen
US4633873A (en) * 1984-04-26 1987-01-06 American Cyanamid Company Surgical repair mesh
US4626253A (en) * 1984-10-05 1986-12-02 Johnson & Johnson Products, Inc. Surgical hemostat comprising oxidized cellulose
US4871365A (en) * 1985-04-25 1989-10-03 American Cyanamid Company Partially absorbable prosthetic tubular article having an external support
US5007916A (en) * 1985-08-22 1991-04-16 Johnson & Johnson Medical, Inc. Method and material for prevention of surgical adhesions
US5002551A (en) * 1985-08-22 1991-03-26 Johnson & Johnson Medical, Inc. Method and material for prevention of surgical adhesions
JPH0655221B2 (ja) * 1985-12-27 1994-07-27 グンゼ株式会社 止血材の製造法
US5904717A (en) * 1986-01-28 1999-05-18 Thm Biomedical, Inc. Method and device for reconstruction of articular cartilage
DE3619197A1 (de) * 1986-06-07 1987-12-10 Ethicon Gmbh Polsterartiges implantat
US4744365A (en) * 1986-07-17 1988-05-17 United States Surgical Corporation Two-phase compositions for absorbable surgical devices
FI81498C (fi) * 1987-01-13 1990-11-12 Biocon Oy Kirurgiska material och instrument.
US4913903A (en) * 1987-02-04 1990-04-03 Alza Corporation Post-surgical applications for bioerodible polymers
US4844854A (en) * 1987-09-22 1989-07-04 United States Surgical Corporation Process for making a surgical device using two-phase compositions
JPH01111112U (nl) * 1988-01-18 1989-07-26
DE3801426A1 (de) * 1988-01-20 1989-08-03 Ethicon Gmbh Filzartiges implantat
CA1335527C (en) * 1988-02-01 1995-05-16 Arnold Lee Dellon Bioabsorbable surgical device for treating nerve defects
US4870966A (en) * 1988-02-01 1989-10-03 American Cyanamid Company Bioabsorbable surgical device for treating nerve defects
JPH01223969A (ja) * 1988-03-04 1989-09-07 Nippon Medical Supply Corp 被覆縫合糸
DE3830005C1 (en) * 1988-08-31 1989-11-02 Ethicon Gmbh & Co Kg, 2000 Norderstedt, De Sheet-like implant
US5320624A (en) * 1991-02-12 1994-06-14 United States Surgical Corporation Blends of glycolide and/or lactide polymers and caprolactone and/or trimethylene carbonate polymers and absorbable surgical devices made therefrom
CA2060635A1 (en) * 1991-02-12 1992-08-13 Keith D'alessio Bioabsorbable medical implants
US6228954B1 (en) 1991-02-12 2001-05-08 United States Surgical Corporation Blends of glycolide and/or lactide polymers and caprolactone and/or trimethylene carbonate polymers and absorabable surgical devices made therefrom
US5714232A (en) * 1991-05-01 1998-02-03 E. R. Squibb & Sons, Inc. Alginate fabric, its use in wound dressings and surgical haemostats and a process for its manufacture
GB9109367D0 (en) * 1991-05-01 1991-06-26 Merck Sharp & Dohme Surgical dressing
US5437918A (en) * 1992-11-11 1995-08-01 Mitsui Toatsu Chemicals, Inc. Degradable non-woven fabric and preparation process thereof
CA2114290C (en) * 1993-01-27 2006-01-10 Nagabushanam Totakura Post-surgical anti-adhesion device
US5522841A (en) * 1993-05-27 1996-06-04 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
US5403347A (en) * 1993-05-27 1995-04-04 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
US5542594A (en) * 1993-10-06 1996-08-06 United States Surgical Corporation Surgical stapling apparatus with biocompatible surgical fabric
US5393594A (en) * 1993-10-06 1995-02-28 United States Surgical Corporation Absorbable non-woven fabric
AU8095694A (en) * 1993-10-28 1995-05-22 Thm Biomedical, Inc. Improved process and device for treating and healing a bone void
US5502092A (en) * 1994-02-18 1996-03-26 Minnesota Mining And Manufacturing Company Biocompatible porous matrix of bioabsorbable material
US5431679A (en) * 1994-03-10 1995-07-11 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
US5981825A (en) 1994-05-13 1999-11-09 Thm Biomedical, Inc. Device and methods for in vivo culturing of diverse tissue cells
US5578662A (en) 1994-07-22 1996-11-26 United States Surgical Corporation Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom
US6339130B1 (en) * 1994-07-22 2002-01-15 United States Surgical Corporation Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom
US6206908B1 (en) 1994-09-16 2001-03-27 United States Surgical Corporation Absorbable polymer and surgical articles fabricated therefrom
CA2158420C (en) 1994-09-16 2007-05-01 Mark S. Roby Absorbable polymer and surgical articles fabricated therefrom
AU7398196A (en) * 1995-10-11 1997-04-30 Fusion Medical Technologies, Inc. Device and method for sealing tissue
CA2195384C (en) 1996-01-19 2007-06-05 Kung Liu Cheng Absorbable polymer blends and surgical articles fabricated therefrom
ZA978537B (en) 1996-09-23 1998-05-12 Focal Inc Polymerizable biodegradable polymers including carbonate or dioxanone linkages.
US6191236B1 (en) 1996-10-11 2001-02-20 United States Surgical Corporation Bioabsorbable suture and method of its manufacture
US6007565A (en) * 1997-09-05 1999-12-28 United States Surgical Absorbable block copolymers and surgical articles fabricated therefrom
US6277927B1 (en) 1997-11-26 2001-08-21 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
US5935127A (en) * 1997-12-17 1999-08-10 Biomet, Inc. Apparatus and method for treatment of a fracture in a long bone
JPH11203837A (ja) 1998-01-16 1999-07-30 Sony Corp 編集システムおよび編集方法
DE19906172C1 (de) * 1999-02-08 2000-07-13 Ethicon Gmbh Resorbierbares Implantat
US6296645B1 (en) 1999-04-09 2001-10-02 Depuy Orthopaedics, Inc. Intramedullary nail with non-metal spacers
US6783529B2 (en) 1999-04-09 2004-08-31 Depuy Orthopaedics, Inc. Non-metal inserts for bone support assembly
US6325810B1 (en) 1999-06-30 2001-12-04 Ethicon, Inc. Foam buttress for stapling apparatus
DE19943299A1 (de) * 1999-09-10 2001-03-22 Binder Gottlieb Gmbh & Co Oberfläche für einen Gegenstand einschliesslich Verfahren zu ihrer Herstellung sowie ihre Verwendung
US6273897B1 (en) 2000-02-29 2001-08-14 Ethicon, Inc. Surgical bettress and surgical stapling apparatus
US6808527B2 (en) 2000-04-10 2004-10-26 Depuy Orthopaedics, Inc. Intramedullary nail with snap-in window insert
CA2409391C (en) * 2000-06-05 2009-03-17 Scimed Life Systems, Inc. Methods and devices for the treatment of urinary incontinence
DE10046119A1 (de) 2000-09-15 2002-03-28 Inst Textil & Faserforschung Medizintechnisches bioresorbierbares Implantat, Verfahren zur Herstellung und Verwendung
US8162816B2 (en) * 2001-03-09 2012-04-24 Boston Scientific Scimed, Inc. System for implanting an implant and method thereof
US9149261B2 (en) * 2001-03-09 2015-10-06 Boston Scientific Scimed, Inc. Systems, methods and devices relating to delivery of medical implants
US20050131393A1 (en) * 2001-03-09 2005-06-16 Scimed Life Systems, Inc. Systems, methods and devices relating to delivery of medical implants
US8033983B2 (en) * 2001-03-09 2011-10-11 Boston Scientific Scimed, Inc. Medical implant
US7364541B2 (en) * 2001-03-09 2008-04-29 Boston Scientific Scimed, Inc. Systems, methods and devices relating to delivery of medical implants
US7025772B2 (en) * 2001-03-09 2006-04-11 Scimed Life Systems, Inc. System for implanting an implant and method thereof
US8915927B2 (en) * 2001-03-09 2014-12-23 Boston Scientific Scimed, Inc. Systems, methods and devices relating to delivery of medical implants
JP4866535B2 (ja) * 2001-05-11 2012-02-01 オーソ−マクニール・フアーマシユーチカル・インコーポレーテツド 動物で用いるに適した免疫調節用デバイス
US20030118630A1 (en) * 2001-12-07 2003-06-26 Anthony Cerami Immune modulation device for use in animals
JP4589867B2 (ja) 2002-08-14 2010-12-01 ボストン サイエンティフィック リミテッド 医療移植物の送達に関するシステム、およびデバイス
DE60331358D1 (de) * 2002-12-17 2010-04-01 Boston Scient Ltd Abstandshalter für ein chirurgisches schlingeneinbringungssystem
JP4769578B2 (ja) * 2003-01-20 2011-09-07 一般財団法人化学及血清療法研究所 止血用材料
US20040153018A1 (en) * 2003-02-03 2004-08-05 Symeon Brown Shave patches
ES2379877T3 (es) * 2003-12-01 2012-05-04 Smith & Nephew, Inc. Clavo humeral con un inserto para fijar un tornillo
EP2837393A1 (en) * 2004-10-20 2015-02-18 Ethicon, Inc. Absorbable hemostat
US9358318B2 (en) 2004-10-20 2016-06-07 Ethicon, Inc. Method of making a reinforced absorbable multilayered hemostatic wound dressing
US20060190017A1 (en) * 2004-11-19 2006-08-24 Cyr John S Fibrin sealants and platelet concentrates applied to effect hemostasis at the interface of an implantable medical device with body tissue
US7410488B2 (en) 2005-02-18 2008-08-12 Smith & Nephew, Inc. Hindfoot nail
US7364545B2 (en) * 2005-04-20 2008-04-29 Klein Jeffrey A Method of measuring bleeding volume
US8063264B2 (en) * 2005-08-26 2011-11-22 Michael Spearman Hemostatic media
DE102005050560A1 (de) * 2005-10-17 2007-04-19 Technische Universität Dresden Trägermaterial aus Fasern und Verfahren zu seiner Herstellung
US9271706B2 (en) * 2008-08-12 2016-03-01 Covidien Lp Medical device for wound closure and method of use
US9889230B2 (en) * 2008-10-17 2018-02-13 Covidien Lp Hemostatic implant
US8470355B2 (en) * 2009-10-01 2013-06-25 Covidien Lp Mesh implant
US20120115384A1 (en) * 2010-11-10 2012-05-10 Fitz Benjamin D Resorbable Laparoscopically Deployable Hemostat
US9084602B2 (en) 2011-01-26 2015-07-21 Covidien Lp Buttress film with hemostatic action for surgical stapling apparatus
US8993831B2 (en) * 2011-11-01 2015-03-31 Arsenal Medical, Inc. Foam and delivery system for treatment of postpartum hemorrhage
JP6654623B2 (ja) 2014-04-08 2020-02-26 アキュイティバイオ コーポレーション 切除縁を覆う外科用メッシュ又は外科用バットレスを配置しはり付けるための送達システム
US10137219B2 (en) 2014-08-04 2018-11-27 James F. Drake Coherent blood coagulation structure of water-insoluble chitosan and water-dispersible starch coating
US11382731B2 (en) 2015-02-27 2022-07-12 Covidien Lp Medical devices with sealing properties
KR102047295B1 (ko) * 2018-07-06 2019-11-21 메디칸 주식회사 혈액 응고용 창상 피복재 및 그 제조 방법

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122479A (en) * 1957-11-14 1964-02-25 David F Smith Hemostatic surgical dressings
US2896618A (en) * 1958-01-21 1959-07-28 Johnson & Johnson Corrugated dressing
US3017990A (en) * 1958-10-31 1962-01-23 American Cyanamid Co Sterile package for surgical fabric
US3150416A (en) * 1960-07-29 1964-09-29 Kendall & Co Method and apparatus for producing apertured non-woven fabrics
US3739773A (en) * 1963-10-31 1973-06-19 American Cyanamid Co Polyglycolic acid prosthetic devices
US3463158A (en) * 1963-10-31 1969-08-26 American Cyanamid Co Polyglycolic acid prosthetic devices
US3875937A (en) * 1963-10-31 1975-04-08 American Cyanamid Co Surgical dressings of absorbable polymers
US3545442A (en) * 1964-09-23 1970-12-08 Huyck Corp Bandaging and dressing material
US3507943A (en) * 1965-10-04 1970-04-21 Kendall & Co Method for rolling nonwoven fabrics
US3478141A (en) * 1966-08-29 1969-11-11 Du Pont Process for treating film-fibril sheets
US3542634A (en) * 1969-06-17 1970-11-24 Kendall & Co Apertured,bonded,and differentially embossed non-woven fabrics
US3666750A (en) * 1969-12-15 1972-05-30 Johnson & Johnson Hemostatic material
US3797499A (en) * 1970-05-13 1974-03-19 Ethicon Inc Polylactide fabric graphs for surgical implantation
US3736646A (en) * 1971-10-18 1973-06-05 American Cyanamid Co Method of attaching surgical needles to multifilament polyglycolic acid absorbable sutures
FR2208687B1 (nl) * 1972-12-01 1976-07-23 Rhone Poulenc Sa
US4003758A (en) * 1972-12-21 1977-01-18 W. R. Grace & Co. Battery separator with porous body and fused rib
US3949130A (en) * 1974-01-04 1976-04-06 Tuff Spun Products, Inc. Spun bonded fabric, and articles made therefrom
US3902497A (en) * 1974-03-25 1975-09-02 American Cyanamid Co Body absorbable sponge and method of making
US3903882A (en) * 1974-04-19 1975-09-09 American Cyanamid Co Composite dressing
US4005169A (en) * 1974-04-26 1977-01-25 Imperial Chemical Industries Limited Non-woven fabrics

Also Published As

Publication number Publication date
YU98075A (en) 1982-05-31
NL7504645A (nl) 1975-10-21
IE41111B1 (en) 1979-10-24
FR2267794B1 (nl) 1979-06-29
PL100801B1 (pl) 1978-11-30
DK144553B (da) 1982-03-29
IT1035318B (it) 1979-10-20
SE7504548L (sv) 1975-12-23
JPS5829105B2 (ja) 1983-06-20
IE41111L (en) 1975-10-19
JPS50146182A (nl) 1975-11-22
GB1453265A (en) 1976-10-20
CH614118A5 (nl) 1979-11-15
US4128612A (en) 1978-12-05
CS213324B2 (en) 1982-04-09
BR7502011A (pt) 1976-03-09
BE828135A (fr) 1975-10-20
ZA751805B (en) 1976-02-25
ES436723A1 (es) 1977-05-01
PH11073A (en) 1977-10-25
FR2267794A1 (nl) 1975-11-14
AT343821B (de) 1978-06-26
IL46934A0 (en) 1975-05-22
CA1062573A (en) 1979-09-18
RO70496A (ro) 1981-07-30
DD118527A5 (nl) 1976-03-12
DK144553C (da) 1982-09-20
IL46934A (en) 1978-03-10
US3937223A (en) 1976-02-10
ATA294075A (de) 1977-10-15
HU171852B (hu) 1978-04-28
SE411299B (sv) 1979-12-17
AU499869B2 (en) 1979-05-03
AU7949175A (en) 1976-09-30
SU691066A3 (ru) 1979-10-05
DE2515970A1 (de) 1975-10-30

Similar Documents

Publication Publication Date Title
FR2265412B1 (nl)
FR2291246B1 (nl)
FR2267794A1 (nl)
FR2271654A1 (nl)
JPS5521696B2 (nl)
FI751470A (nl)
FR2280831B1 (nl)
FR2259381B1 (nl)
FR2274908B3 (nl)
FR2264697A1 (nl)
FR2259705B3 (nl)
FR2292234B1 (nl)
FR2290544B1 (nl)
IN142578B (nl)
CH566410A5 (nl)
CH1703874A4 (nl)
CH591990A5 (nl)
CH579652A5 (nl)
CH569666A5 (nl)
CH569220A5 (nl)
CH568539A5 (nl)
CH568134A5 (nl)
CH566915A5 (nl)
CH605431A5 (nl)
CH564833A5 (nl)

Legal Events

Date Code Title Description
PBP Patent lapsed
B1 Patent granted (law 1993)
PBP Patent lapsed