KR830002824A - 성형용 결합제 조성물의 제조방법 - Google Patents
성형용 결합제 조성물의 제조방법Info
- Publication number
- KR830002824A KR830002824A KR1019800001875A KR800001875A KR830002824A KR 830002824 A KR830002824 A KR 830002824A KR 1019800001875 A KR1019800001875 A KR 1019800001875A KR 800001875 A KR800001875 A KR 800001875A KR 830002824 A KR830002824 A KR 830002824A
- Authority
- KR
- South Korea
- Prior art keywords
- component
- binder composition
- molding
- manufacturing
- hydrogen
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
- B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B22C1/2273—Polyurethanes; Polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/54—Polycondensates of aldehydes
- C08G18/542—Polycondensates of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/6547—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 수지성분과 경화제 성분과 경화성분 및 건성유를 사용함에 있어서 수지성분으로서는 다음과 같은 일반 화학식을 가지는 페놀과 R'CHO의 일반화학식 (R' : 수소 또는 탄소원자수가 1-8인 탄화수소 라디칼)을 가지는 알데히드와 축합반응 생성물인 비수성의 폐놀수지를 사용하고 경화제 성분으로서는 최소한 두개의 이소시아네이트기를 가진 액체 폴리이소시아네이트를 사용함을 특징으로 하는 위의 각 성분의 혼합물로 된 결합제 조성물의 제조방법.단, 위의 식에서 A, B 및 C는 수소, 탄화소소라디칼 또는 할로겐.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39,016 | 1979-05-14 | ||
US06/039,016 US4268425A (en) | 1979-05-14 | 1979-05-14 | Phenolic resin-polyisocyanate binder systems containing a drying oil and use thereof |
US39.016 | 1980-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830002824A true KR830002824A (ko) | 1983-05-30 |
KR830002434B1 KR830002434B1 (ko) | 1983-10-26 |
Family
ID=21903205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019800001875A KR830002434B1 (ko) | 1979-05-14 | 1980-05-13 | 성형용 결합제 조성물의 제조방법 |
Country Status (25)
Country | Link |
---|---|
US (1) | US4268425A (ko) |
JP (2) | JPS5922614B2 (ko) |
KR (1) | KR830002434B1 (ko) |
AR (1) | AR226557A1 (ko) |
AT (1) | AT382096B (ko) |
AU (1) | AU518833B2 (ko) |
BE (1) | BE883311A (ko) |
BR (1) | BR8002997A (ko) |
CA (1) | CA1159585A (ko) |
CH (1) | CH647250A5 (ko) |
DE (1) | DE3018466C2 (ko) |
DK (1) | DK170552B1 (ko) |
ES (1) | ES491435A0 (ko) |
FR (1) | FR2456759A1 (ko) |
GB (1) | GB2050400B (ko) |
IT (1) | IT1131180B (ko) |
MA (1) | MA18830A1 (ko) |
MX (1) | MX155006A (ko) |
NL (1) | NL180670C (ko) |
NO (1) | NO155383C (ko) |
PH (1) | PH15844A (ko) |
PT (1) | PT71228A (ko) |
SE (1) | SE449954B (ko) |
TR (1) | TR20865A (ko) |
ZA (1) | ZA802813B (ko) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3004209C2 (de) * | 1980-02-06 | 1983-02-03 | Sintermetallwerk Krebsöge GmbH, 5608 Radevormwald | Verfahren zum Verdichten von Pulvern und Metallen und deren Legierungen zu Vorpreßkörpern |
CA1161981A (en) * | 1981-02-05 | 1984-02-07 | Tom Mitsopoulos | Phenolic resin binder composition for no-bake foundry moulds |
JPS57187312A (en) * | 1981-05-15 | 1982-11-18 | Kurabo Ind Ltd | Urethane foam |
US4626560A (en) * | 1981-10-08 | 1986-12-02 | Union Carbide Corporation | Novel binding agent compositions, foundry sand compositions and ureido functional organosilicon compounds |
US4452299A (en) * | 1981-11-10 | 1984-06-05 | Ashland Oil, Inc. | Process for casting metals |
US4474904A (en) * | 1982-01-21 | 1984-10-02 | Lemon Peter H R B | Foundry moulds and cores |
ATE33243T1 (de) * | 1982-02-25 | 1988-04-15 | Shell Int Research | Verfahren zur herstellung von feuerfestelementen. |
US4436881A (en) | 1983-06-29 | 1984-03-13 | Acme Resin Corporation | Polyurethane binder compositions |
US4514316A (en) * | 1983-06-29 | 1985-04-30 | Acme Resin Corporation | Polyisocyanate compositions useful for polyurethane binders |
US4540724A (en) * | 1984-01-30 | 1985-09-10 | Ashland Oil Inc. | Phenolic resin-polyisocyanate binder systems containing a phosphorus halide and use thereof |
US4602069A (en) * | 1984-04-11 | 1986-07-22 | Ashland Oil, Inc. | Phenolic resin-polyisocyanate binder systems containing a phosphorus based acid |
US4590229A (en) * | 1984-06-04 | 1986-05-20 | Ashland Oil, Inc. | Phenolic resin-polyisocyanate binder systems |
DE3445687A1 (de) * | 1984-12-14 | 1986-06-19 | Hüttenes-Albertus Chemische Werke GmbH, 4000 Düsseldorf | Unter polyurethanbildung kalthaertendes formstoff-bindemittelsystem |
NL8502042A (nl) * | 1985-07-16 | 1985-10-01 | Akzo Nv | Nieuwe geflegmatiseerde keton peroxide samenstellingen en hun toepassing bij de vervaardiging van gietkernen of -vormen. |
GB8609909D0 (en) * | 1986-04-23 | 1986-05-29 | Borden Uk Ltd | Manufacture of frictional elements |
US4836269A (en) * | 1986-07-14 | 1989-06-06 | Roberts Corporation | Forming apparatus having catalyst introduction simultaneous with sand injection |
AU613437B2 (en) * | 1988-01-12 | 1991-08-01 | Borden (Uk) Limited | Foundry moulding composition |
AU3286089A (en) * | 1988-02-16 | 1989-09-06 | Ashland Oil, Inc. | Low solids polyurethane-forming foundry binders for cold-box process |
US5234973A (en) * | 1988-04-08 | 1993-08-10 | Acme Resin Corporation | Compositions for foundry molding processes utilizing reclaimed sand |
US5190993A (en) * | 1988-04-08 | 1993-03-02 | Borden, Inc. | Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin using an aminosilane solution |
BR8806482A (pt) * | 1988-04-08 | 1990-07-31 | Acme Resin Corp | Processo para producao de artigo modelado com areia aglutinada com resina; processo para producao de agregados de areia; solucao aglutinante; e composicao de mistura mestra |
DE3918857A1 (de) * | 1988-10-05 | 1990-04-12 | Ruetgerswerke Ag | Formstoffe |
USRE34228E (en) * | 1989-03-24 | 1993-04-20 | Acme Resin Corp. | Alkaline benzylic ether phenolic resin binders |
US5021539A (en) * | 1989-03-24 | 1991-06-04 | Acme Resin Corporation | Alkaline benzylic ether phenolic resin binders |
US5238976A (en) * | 1990-06-15 | 1993-08-24 | Borden, Inc. | Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin |
US5447968A (en) * | 1993-07-23 | 1995-09-05 | Ashland Inc. | Polyurethane-forming binder systems containing 2,2'-dipyridyl, 1,10-phenanthroline, and their substituted alkyl derivatives |
DE4327292C2 (de) * | 1993-08-13 | 1996-04-25 | Ashland Suedchemie Kernfest | Bindemittel zur Herstellung von Gießereikernen und -formen und ihre Verwendung |
DE59600596D1 (de) * | 1995-11-01 | 1998-10-29 | Huettenes Albertus | Bindemittelsystem auf Polyurethan-Basis für Formstoff-Mischungen zur Herstellung von Giessformen und Kernen |
US6133340A (en) * | 1996-03-25 | 2000-10-17 | Ashland Inc. | Sleeves, their preparation, and use |
BR9601454C1 (pt) * | 1996-03-25 | 2000-01-18 | Paulo Roberto Menon | Processo para produção de luvas exotérmicas e isolantes. |
DE19617938A1 (de) * | 1996-04-27 | 1997-11-06 | Chemex Gmbh | Speisereinsätze und deren Herstellung |
DE19647368A1 (de) * | 1996-11-15 | 1998-05-20 | Inst Neue Mat Gemein Gmbh | Verbundwerkstoffe |
US5859091A (en) * | 1997-06-13 | 1999-01-12 | Ashland Inc. | No-bake foundry mixes and their use |
US6017978A (en) * | 1998-02-28 | 2000-01-25 | Ashland Inc. | Polyurethane forming no-bake foundry binders |
US6013695A (en) * | 1998-09-30 | 2000-01-11 | Ashland Inc. | Foundry binders containing modified polyisocyanates |
IT1313280B1 (it) * | 1999-08-02 | 2002-07-17 | Cavenaghi Spa | Sistemi leganti per fonderia. |
US6365646B1 (en) | 1999-12-08 | 2002-04-02 | Borden Chemical, Inc. | Method to improve humidity resistance of phenolic urethane foundry binders |
WO2002047462A2 (en) * | 2000-11-03 | 2002-06-20 | Ashland Inc. | Foundry binder systems which contain a silane-modified polyisocyanate |
US20050250874A1 (en) * | 2004-05-04 | 2005-11-10 | Ha-International, Llc | Phenolic urethane foundry binder |
DE102006037288B4 (de) | 2006-08-09 | 2019-06-13 | Ask Chemicals Gmbh | Formstoffmischung enthaltend Cardol und/oder Cardanol in Gießereibindemitteln auf Polyurethanbasis, Verfahren zur Herstellung eines Formkörpers sowie Verwendung desselben |
EP1955792B1 (en) * | 2007-01-22 | 2019-06-05 | Arkema France | Process for making foundry shaped cores and for casting metals |
DE102007031376A1 (de) | 2007-07-05 | 2009-01-08 | GTP Schäfer Gießtechnische Produkte GmbH | Alternatives Cold-Box-Verfahren mit Rohölen |
DE102008007181A1 (de) * | 2008-02-01 | 2009-08-06 | Ashland-Südchemie-Kernfest GmbH | Verwendung von verzweigten Alkandiolcarbonsäurediestern in Gießereibindemitteln auf Polyurethanbasis |
DE102010032734A1 (de) | 2010-07-30 | 2012-02-02 | Ashland-Südchemie-Kernfest GmbH | Bindemittelsystem auf Polyurethanbasis zur Herstellung von Kernen und Gießformen unter Verwendung cyclischer Formale, Formstoffmischung und Verfahren |
DE102010046981A1 (de) | 2010-09-30 | 2012-04-05 | Ashland-Südchemie-Kernfest GmbH | Bindemittel enthaltend substituierte Benzole und Napthaline zur Herstellung von Kernen und Formen für den Metallguss, Formstoffmischung und Verfahren |
DE102010051567A1 (de) | 2010-11-18 | 2012-05-24 | Ashland-Südchemie-Kernfest GmbH | Bindemittel auf Polyurethanbasis zur Herstellung von Kernen und Gießformen unter Verwendung von Isocyanaten enthaltend eine Urethonimin- und/oder Carbodiimid-Gruppe, eine Formstoffmischung enthaltend das Bindemittel und ein Verfahren unter Verwendung des Bindemittels |
FR2972946B1 (fr) | 2011-03-22 | 2013-03-29 | Rhodia Poliamida E Especialidades Ltda | Systemes liants de fonderie |
DE102013004662A1 (de) | 2013-03-18 | 2014-09-18 | Ask Chemicals Gmbh | Verwendung von Monoestern epoxidierter Fettsäuren in PU-Bindemitteln zur Herstellung von Kernen und Formen für den Metallguss |
DE102013004661A1 (de) | 2013-03-18 | 2014-09-18 | Ask Chemicals Gmbh | Verwendung von Carbonsäuren und Fettaminen in PU-Bindemitteln zur Herstellung von Kernen und Formen für den Metallguss |
DE102013004663B4 (de) | 2013-03-18 | 2024-05-02 | Ask Chemicals Gmbh | Bindemittelsystem, Formstoffmischung enthaltend dasselbe, Verfahren zur Herstellung der Formstoffmischung, Verfahren zur Herstellung eines Gießformteils oder Gießkerns, Gießformteil oder Gießkern sowie Verwendung des so erhältlichen Gießformteils oder Gießkerns für den Metallguss |
DE102014110189A1 (de) | 2014-07-18 | 2016-01-21 | Ask Chemicals Gmbh | CO-Katalysatoren für Polyurethan-Coldbox-Bindemittel |
DE102014117284A1 (de) | 2014-11-25 | 2016-05-25 | Ask Chemicals Gmbh | Polyurethan-Bindemittelsystem zur Herstellung von Kernen und Gießformen, Formstoffmischung enthaltend das Bindemittel und ein Verfahren unter Verwendung des Bindemittels |
DE102015102952A1 (de) | 2015-03-02 | 2016-09-08 | Ask Chemicals Gmbh | Verfahren zur Aushärtung von Polyurethan-Bindemitteln in Formstoffmischungen durch Einleiten tertiärer Amine und Lösungsmittel und Kit zur Durchführung des Verfahrens |
DE102015107016A1 (de) | 2015-05-05 | 2016-06-23 | Ask Chemicals Gmbh | Verfahren zur Reduzierung von freiem Formaldehyd in Benzylether-Harzen |
DE102016123621A1 (de) | 2016-12-06 | 2018-06-07 | Ask Chemicals Gmbh | Polyurethan Bindemittel mit verbesserter Fließfähigkeit |
DE102016125700A1 (de) | 2016-12-23 | 2018-06-28 | Ask Chemicals Gmbh | Bindemittel auf Basis von Phenolharzen vom Benzylethertyp enthaltend freies Phenol und freie Hydroxybenzylalkohole |
DE102016125702A1 (de) | 2016-12-23 | 2018-06-28 | Ask Chemicals Gmbh | Komponentenystem zur Herstellung von Kernen und Formen |
US10610923B2 (en) | 2017-01-23 | 2020-04-07 | Novis Works, LLC | Foundry mix including resorcinol |
DE102017106686A1 (de) * | 2017-03-28 | 2018-10-04 | Ask Chemicals Gmbh | Formstoffmischung enthaltend Additive zur Reduzierung von Gussfehlern |
DE102018100694A1 (de) | 2018-01-12 | 2019-07-18 | Ask Chemicals Gmbh | Formaldehydreduziertes Phenolharzbindemittel |
DE102020118314A1 (de) | 2020-07-10 | 2022-01-13 | Ask Chemicals Gmbh | Mittel zur Reduzierung von Sandanhaftungen |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2383283A (en) * | 1941-08-29 | 1945-08-21 | Westinghouse Electric Corp | Stabilizing phenolic resins |
US3255500A (en) * | 1965-02-01 | 1966-06-14 | Archer Daniels Midland Co | Foundry composition comprising sand, drying oil and polyisocyanate |
US3485797A (en) * | 1966-03-14 | 1969-12-23 | Ashland Oil Inc | Phenolic resins containing benzylic ether linkages and unsubstituted para positions |
US3403721A (en) * | 1966-06-13 | 1968-10-01 | Ashland Oil Inc | Tensile strengths of certain sand cores |
FR1533024A (fr) * | 1966-08-01 | 1968-07-12 | Ashland Oil Inc | Composition de liant pour noyaux employés en fonderie |
US3429848A (en) * | 1966-08-01 | 1969-02-25 | Ashland Oil Inc | Foundry binder composition comprising benzylic ether resin,polyisocyanate,and tertiary amine |
US3426834A (en) * | 1967-03-16 | 1969-02-11 | Obermayer Co The S | Expendable pattern for precision investment casting |
GB1269202A (en) * | 1968-02-14 | 1972-04-06 | Fordath Ltd | Improvements in the production of cores for use in the production of metal castings |
US3632844A (en) * | 1969-03-10 | 1972-01-04 | Ashland Oil Inc | Non-sticking sand mix for foundry cores |
US3686106A (en) * | 1970-03-25 | 1972-08-22 | Hooker Chemical Corp | Room temperature curing foundry binder |
US3676392A (en) * | 1971-01-26 | 1972-07-11 | Ashland Oil Inc | Resin compositions |
BE793361A (fr) * | 1971-12-27 | 1973-04-16 | Inst Odlewnictwa | Sable de moulage et a noyaux, rapidement durcissable, et son procede dedurcissement |
US3905934A (en) * | 1974-05-23 | 1975-09-16 | Ashland Oil Inc | Phenolic resin-polyisocyanate binder systems containing dialkyl phthalate solvents |
JPS5379989A (en) * | 1976-12-23 | 1978-07-14 | Sumitomo Durez Co | Manufacture of resinncoated sand |
DE2700763C3 (de) * | 1977-01-10 | 1980-10-02 | Ruetgerswerke Ag, 6000 Frankfurt | Wärmehärtbare Bindemittel für Formmassen |
BE864879A (fr) * | 1977-03-16 | 1978-07-03 | Ashland Oil Inc | Pot a fleurs et procede de sa preparation |
EP0002898A1 (en) * | 1977-12-07 | 1979-07-11 | Fordath Limited | Method of producing a foundry core or mould involving the reaction of a polyisocyanate and a polyhidroxy composition, polyhidroxy composition for use in the method and foundry composition produced in the method |
-
1979
- 1979-05-14 US US06/039,016 patent/US4268425A/en not_active Expired - Lifetime
-
1980
- 1980-05-01 AU AU57980/80A patent/AU518833B2/en not_active Ceased
- 1980-05-02 CA CA000351168A patent/CA1159585A/en not_active Expired
- 1980-05-05 MA MA19026A patent/MA18830A1/fr unknown
- 1980-05-06 GB GB8015031A patent/GB2050400B/en not_active Expired
- 1980-05-08 SE SE8003483A patent/SE449954B/sv not_active IP Right Cessation
- 1980-05-09 DK DK205680A patent/DK170552B1/da not_active IP Right Cessation
- 1980-05-12 PT PT71228A patent/PT71228A/pt unknown
- 1980-05-12 ZA ZA00802813A patent/ZA802813B/xx unknown
- 1980-05-13 CH CH3743/80A patent/CH647250A5/de not_active IP Right Cessation
- 1980-05-13 PH PH24016A patent/PH15844A/en unknown
- 1980-05-13 NO NO801411A patent/NO155383C/no unknown
- 1980-05-13 KR KR1019800001875A patent/KR830002434B1/ko active
- 1980-05-13 AT AT0255880A patent/AT382096B/de not_active IP Right Cessation
- 1980-05-13 NL NLAANVRAGE8002759,A patent/NL180670C/xx not_active IP Right Cessation
- 1980-05-13 ES ES491435A patent/ES491435A0/es active Granted
- 1980-05-14 JP JP55062928A patent/JPS5922614B2/ja not_active Expired
- 1980-05-14 BR BR8002997A patent/BR8002997A/pt not_active IP Right Cessation
- 1980-05-14 FR FR8010935A patent/FR2456759A1/fr not_active Withdrawn
- 1980-05-14 IT IT22054/80A patent/IT1131180B/it active
- 1980-05-14 DE DE3018466A patent/DE3018466C2/de not_active Expired
- 1980-05-14 TR TR20865A patent/TR20865A/xx unknown
- 1980-05-14 MX MX182328A patent/MX155006A/es unknown
- 1980-05-14 BE BE0/200627A patent/BE883311A/fr not_active IP Right Cessation
- 1980-05-14 AR AR281039A patent/AR226557A1/es active
-
1981
- 1981-06-10 JP JP56088324A patent/JPS599253B2/ja not_active Expired
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