EP0579683A1 - Werkstoff - Google Patents
WerkstoffInfo
- Publication number
- EP0579683A1 EP0579683A1 EP92908385A EP92908385A EP0579683A1 EP 0579683 A1 EP0579683 A1 EP 0579683A1 EP 92908385 A EP92908385 A EP 92908385A EP 92908385 A EP92908385 A EP 92908385A EP 0579683 A1 EP0579683 A1 EP 0579683A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- material according
- diol
- glycol
- acid
- polyurethane
- 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.)
- Ceased
Links
- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- 150000002009 diols Chemical class 0.000 claims description 15
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N propylene glycol Substances CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- -1 Poly-3-hydroxybutyric acid diol Chemical class 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000011037 adipic acid Nutrition 0.000 claims description 5
- 239000001361 adipic acid Substances 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 claims description 3
- 230000002588 toxic effect Effects 0.000 claims description 3
- AZYRZNIYJDKRHO-UHFFFAOYSA-N 1,3-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC(C(C)(C)N=C=O)=C1 AZYRZNIYJDKRHO-UHFFFAOYSA-N 0.000 claims description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- ATOUXIOKEJWULN-UHFFFAOYSA-N 1,6-diisocyanato-2,2,4-trimethylhexane Chemical compound O=C=NCCC(C)CC(C)(C)CN=C=O ATOUXIOKEJWULN-UHFFFAOYSA-N 0.000 claims description 2
- ZMZGFLUUZLELNE-UHFFFAOYSA-N 2,3,5-triiodobenzoic acid Chemical class OC(=O)C1=CC(I)=CC(I)=C1I ZMZGFLUUZLELNE-UHFFFAOYSA-N 0.000 claims description 2
- WJIOHMVWGVGWJW-UHFFFAOYSA-N 3-methyl-n-[4-[(3-methylpyrazole-1-carbonyl)amino]butyl]pyrazole-1-carboxamide Chemical compound N1=C(C)C=CN1C(=O)NCCCCNC(=O)N1N=C(C)C=C1 WJIOHMVWGVGWJW-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000008280 blood Substances 0.000 claims description 2
- 210000004369 blood Anatomy 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000003776 cleavage reaction Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000002872 contrast media Substances 0.000 claims description 2
- 125000005442 diisocyanate group Chemical group 0.000 claims description 2
- TZADDXVKYWMEHX-UHFFFAOYSA-N iopydol Chemical compound OCC(O)CN1C=C(I)C(=O)C(I)=C1 TZADDXVKYWMEHX-UHFFFAOYSA-N 0.000 claims description 2
- 229960004146 iopydol Drugs 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 231100000252 nontoxic Toxicity 0.000 claims description 2
- 230000003000 nontoxic effect Effects 0.000 claims description 2
- 229920001610 polycaprolactone Polymers 0.000 claims description 2
- 239000004632 polycaprolactone Substances 0.000 claims description 2
- 229920000151 polyglycol Polymers 0.000 claims description 2
- 239000010695 polyglycol Substances 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 230000007017 scission Effects 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 claims 2
- 229920002284 Cellulose triacetate Polymers 0.000 claims 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 229940039231 contrast media Drugs 0.000 claims 1
- FZWBABZIGXEXES-UHFFFAOYSA-N ethane-1,2-diol;hexanedioic acid Chemical compound OCCO.OC(=O)CCCCC(O)=O FZWBABZIGXEXES-UHFFFAOYSA-N 0.000 claims 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000002609 medium Substances 0.000 claims 1
- 238000002601 radiography Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 1
- MEBONNVPKOBPEA-UHFFFAOYSA-N 1,1,2-trimethylcyclohexane Chemical compound CC1CCCCC1(C)C MEBONNVPKOBPEA-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- YZBBUYKPTHDZHF-KNVGNIICSA-N (3R)-7,2'-dihydroxy-4'-methoxyisoflavanol Chemical compound OC1=CC(OC)=CC=C1[C@H]1C(O)C2=CC=C(O)C=C2OC1 YZBBUYKPTHDZHF-KNVGNIICSA-N 0.000 description 1
- LGLVPKZYQPJECR-UHFFFAOYSA-N 5-isocyanato-5-methylcyclohexa-1,3-diene Chemical compound O=C=NC1(C)CC=CC=C1 LGLVPKZYQPJECR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/04—X-ray contrast preparations
- A61K49/0433—X-ray contrast preparations containing an organic halogenated X-ray contrast-enhancing agent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/04—X-ray contrast preparations
- A61K49/0433—X-ray contrast preparations containing an organic halogenated X-ray contrast-enhancing agent
- A61K49/0442—Polymeric X-ray contrast-enhancing agent comprising a halogenated group
Definitions
- plastics in industry, agriculture, medicine or other fields of application are often associated with the question of the ability to be localized and the material being tested during its use.
- the implanted or applied plastics not only have to be securely localizable, but also have the property that they can be removed from the human or animal body after a certain time. The removal usually requires further (surgical) intervention.
- Plastics which are easy to locate are known, but are chemically stable and can therefore only be removed from the human body by a surgical procedure.
- plastics are known that dissolve after a certain time when they have fulfilled their task. However, the latter plastics cannot be easily located.
- the object of the invention is to create a material which, on the one hand, can be localized with high accuracy and, on the other hand, can also be degraded in the human or animal body.
- radiopaque polyurethanes are particularly well suited for the tasks described above.
- X-ray-tight polyurethanes are particularly suitable for the production of temporary or permanent polyurethane applications in connection with X-ray identification.
- the polyurethane In the solid aggregate state, devices, structures, films, foils, tubes, hoses, screws, rods or other three-dimensional elements are seared from the polyurethanes to make compact or hollow structures, and the polyurethane is also used for coatings on structures, insulation, seals and suitable as a drug carrier.
- the polyurethane can used to fill empty or filled biological or technical cavities for therapeutic and / or diagnostic, medical or technical purposes.
- the polyurethane can be used to coat structures for the additional purpose of X-ray identification.
- the polyurethane can also be used in the form of sprays, dispersions or as dispersants. Workpieces can be coated with this polyurethane, and topical application is not excluded. Thereby solidification takes place with external energy.
- the plastic to be used has some special properties, such as. E.g .: a) Biocompatibility
- b) be soluble in non-toxic or only slightly toxic solvents, such as alcohol, dimethyl sulfoxide, DMI or mixtures thereof
- c) be insoluble in an aqueous environment (water, blood, etc.)
- polyurethanes are suitable in which one of their two basic components, here the diol component, is wholly or partly by the glyceryl monoester (1) of a triiodobenzoic acid derivative (2, 3, 4, 5) or a pyridone-4 derivative, for example iopydol (6) , is replaced.
- polyester diols based on II-V are produced by reversing the corresponding higher molecular weight polyesters with ethylene glycol, diaethylene glycol and triaethylene glycol with simultaneous cleavage to macrodiols with average molecular weights between M n 500 and 10,000.
- TMDI 2,2,4-trimethylhexamethylene diisocyanate
- the condensation of the components takes place in solution in a mixture of dioxane / dimethylformamide with a mixing ratio between 1: 1 to 20: 1 at temperatures between 40 ° and 100 ° with or without a catalyst.
- the polymers are isolated by precipitation in water.
- the cleaning is done by repeatedly dissolving the polymer and precipitating in water.
- polymer made from the components described above can be illustrated by the following formula:
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Polyurethanes Or Polyureas (AREA)
- Materials For Medical Uses (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4111914A DE4111914A1 (de) | 1991-04-12 | 1991-04-12 | Werkstoff |
| DE4111914 | 1991-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0579683A1 true EP0579683A1 (de) | 1994-01-26 |
Family
ID=6429413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92908385A Ceased EP0579683A1 (de) | 1991-04-12 | 1992-04-10 | Werkstoff |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5319059A (enrdf_load_stackoverflow) |
| EP (1) | EP0579683A1 (enrdf_load_stackoverflow) |
| JP (1) | JPH06506494A (enrdf_load_stackoverflow) |
| DE (1) | DE4111914A1 (enrdf_load_stackoverflow) |
| WO (1) | WO1992018167A1 (enrdf_load_stackoverflow) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4419386C2 (de) | 1994-05-30 | 1996-09-19 | Ivoclar Ag | Röntgenopake Ester und Amide iodsubstituierter Benzoesäure sowie deren Verwendung zur Herstellung von Dentalmaterialien |
| JPH09505833A (ja) * | 1994-09-22 | 1997-06-10 | ゲルベ・ソシエテ・アノニム | Ｘ線放射線医学における造影剤としてのヨウ素化誘導体、それらの製造および用途 |
| US5851511A (en) * | 1994-09-22 | 1998-12-22 | Guerbet S.A. | Polyiodo compounds, their preparation and their use in X-ray radiology |
| US5711958A (en) * | 1996-07-11 | 1998-01-27 | Life Medical Sciences, Inc. | Methods for reducing or eliminating post-surgical adhesion formation |
| US6696499B1 (en) * | 1996-07-11 | 2004-02-24 | Life Medical Sciences, Inc. | Methods and compositions for reducing or eliminating post-surgical adhesion formation |
| US6426145B1 (en) | 1999-05-20 | 2002-07-30 | Scimed Life Systems, Inc. | Radiopaque compositions for visualization of medical devices |
| US6599448B1 (en) * | 2000-05-10 | 2003-07-29 | Hydromer, Inc. | Radio-opaque polymeric compositions |
| US8088158B2 (en) * | 2002-12-20 | 2012-01-03 | Boston Scientific Scimed, Inc. | Radiopaque ePTFE medical devices |
| CA2577108A1 (en) | 2004-08-31 | 2006-03-09 | C.R. Bard, Inc. | Self-sealing ptfe graft with kink resistance |
| EP2508213B1 (en) * | 2004-12-08 | 2018-03-28 | Cook Medical Technologies LLC | Contrast agent coated medical device |
| WO2007001472A2 (en) | 2005-06-17 | 2007-01-04 | C. R. Bard, Inc. | Vascular graft with kink resistance after clamping |
| JP2009514656A (ja) * | 2005-11-09 | 2009-04-09 | シー・アール・バード・インコーポレーテッド | 放射線不透過性ビーディングを有する移植片及びステント植皮 |
| WO2007056761A2 (en) | 2005-11-09 | 2007-05-18 | C.R. Bard Inc. | Grafts and stent grafts having a radiopaque marker |
| EP2079575B1 (en) * | 2006-10-12 | 2021-06-02 | C.R. Bard, Inc. | Methods for making vascular grafts with multiple channels |
| GB0725070D0 (en) * | 2007-12-21 | 2008-01-30 | Iopharma Technologies Ab | Product |
| JP5388455B2 (ja) * | 2008-01-28 | 2014-01-15 | 株式会社グツドマン | 放射線不透過性生分解性材料及びこれを用いた医療用器具 |
| JP2010024257A (ja) * | 2008-07-15 | 2010-02-04 | Fujifilm Corp | 生体適合性重合性化合物、生体適合性ポリマー、及び、ポリマー粒子 |
| US8808357B2 (en) * | 2010-04-06 | 2014-08-19 | Poly-Med, Inc. | Radiopaque iodinated and iodide-containing crystalline absorbable aliphatic polymeric materials and applications thereof |
| DE102015220373A1 (de) | 2014-10-23 | 2016-04-28 | Voco Gmbh | Härtbares Dentalmaterial |
| US20200046449A1 (en) | 2016-10-04 | 2020-02-13 | Cedar Advanced Technology Group Ltd. | Laminary material for preventing post-surgical adhesions |
| US11407851B2 (en) | 2016-12-02 | 2022-08-09 | The Texas A&M University System | Chemically modified shape memory polymer embolic foams with increased X-ray visualization |
| US11597792B2 (en) * | 2017-10-30 | 2023-03-07 | The Texas A&M University System | Radiopaque thermoplastic polymer |
| US20230355832A1 (en) * | 2020-09-16 | 2023-11-09 | Said Kamal Farha | System and method for integrated endoluminal embolization and localized drug delivery |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3733397A (en) * | 1966-12-02 | 1973-05-15 | Pharmacia Ab | Method for the x-ray visualization of body cavities and a preparation for carrying out the method |
| US4406878A (en) * | 1978-08-02 | 1983-09-27 | Eastman Kodak Company | Iodinated contrast agent for radiography |
| US4282876A (en) * | 1979-05-18 | 1981-08-11 | Flynn Vincent J | Radiopaque polyurethane resin compositions |
| US4283447A (en) * | 1979-05-18 | 1981-08-11 | Flynn Vincent J | Radiopaque polyurethane resin compositions |
| EP0073765A1 (en) * | 1980-09-24 | 1983-03-16 | National Research Development Corporation | Radio-opaque material |
| US4581390A (en) * | 1984-06-29 | 1986-04-08 | Flynn Vincent J | Catheters comprising radiopaque polyurethane-silicone network resin compositions |
| DE3661200D1 (en) * | 1985-04-29 | 1988-12-22 | Dow Chemical Co | Radiopaque thermoset polymer |
| US4722344A (en) * | 1986-05-23 | 1988-02-02 | Critikon, Inc. | Radiopaque polyurethanes and catheters formed therefrom |
| FR2610935B1 (fr) * | 1987-02-13 | 1989-09-01 | Guerbet Sa | Polymeres iodes, leurs procedes de preparation et leurs applications comme produits de contraste |
| IE70756B1 (en) * | 1990-04-11 | 1996-12-30 | Becton Dickinson Co | Radiopaque optically transparent medical tubing |
-
1991
- 1991-04-12 DE DE4111914A patent/DE4111914A1/de active Granted
-
1992
- 1992-04-10 US US07/956,881 patent/US5319059A/en not_active Expired - Fee Related
- 1992-04-10 WO PCT/DE1992/000294 patent/WO1992018167A1/de not_active Application Discontinuation
- 1992-04-10 EP EP92908385A patent/EP0579683A1/de not_active Ceased
- 1992-04-10 JP JP4507940A patent/JPH06506494A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9218167A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06506494A (ja) | 1994-07-21 |
| US5319059A (en) | 1994-06-07 |
| DE4111914A1 (de) | 1992-10-15 |
| WO1992018167A1 (de) | 1992-10-29 |
| DE4111914C2 (enrdf_load_stackoverflow) | 1993-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE |
|
| 17P | Request for examination filed |
Effective date: 19930825 |
|
| 17Q | First examination report despatched |
Effective date: 19960402 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: REDHA, FALAH Owner name: NEUENSCHWANDER, PETER Owner name: UHLSCHMID, GEORG K. Owner name: SUTER, ULRICH W. |
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| RIN1 | Information on inventor provided before grant (corrected) |
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