DK472879A - P-oxybenzoyl-copolyestere med forbedret fleksibilitet og oploeselighed i organiske oploesningsmidler - Google Patents

P-oxybenzoyl-copolyestere med forbedret fleksibilitet og oploeselighed i organiske oploesningsmidler

Info

Publication number: DK472879A
Authority: DK; Denmark
Prior art keywords: solubility; organic solvents; improved flexibility; oxybenzoyl copolyesters; oxybenzoyl
Prior art date: 1978-11-09

Application number

DK472879A

Other languages

Danish (da)

English (en)

Inventor

R S Storm

Original Assignee

Dart Ind Inc

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.)

1978-11-09

Filing date

1979-11-08

Publication date

1980-05-10

1979-11-08 Application filed by Dart Ind Inc filed Critical Dart Ind Inc

1980-05-10 Publication of DK472879A publication Critical patent/DK472879A/da

Links

239000003960 organic solvent Substances 0.000 title 1

Classifications

- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
- 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
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6882—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from hydroxy carboxylic acids
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/012—Automatic controllers electric details of the transmission means
- G05B11/016—Automatic controllers electric details of the transmission means using inductance means
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F9/00—Magnetic amplifiers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
- Y10T428/31699—Ester, halide or nitrile of addition polymer
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Automation & Control Theory (AREA)
General Physics & Mathematics (AREA)
Polyesters Or Polycarbonates (AREA)
Paints Or Removers (AREA)

DK472879A 1978-11-09 1979-11-08 P-oxybenzoyl-copolyestere med forbedret fleksibilitet og oploeselighed i organiske oploesningsmidler DK472879A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/959,275 US4219629A (en)	1978-11-09	1978-11-09	P-Oxybenzoyl copolyesters comprising thiodiphenol components and having improved flexibility and solubility in organic solvents

Publications (1)

Publication Number	Publication Date
DK472879A true DK472879A (da)	1980-05-10

Family

ID=25501865

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK472879A DK472879A (da)	1978-11-09	1979-11-08	P-oxybenzoyl-copolyestere med forbedret fleksibilitet og oploeselighed i organiske oploesningsmidler

Country Status (29)

Country	Link
US (1)	US4219629A (de)
JP (1)	JPS5566924A (de)
AR (1)	AR218561A1 (de)
AT (1)	AT383605B (de)
AU (1)	AU519289B2 (de)
BE (1)	BE879936A (de)
BR (1)	BR7907240A (de)
CA (1)	CA1129586A (de)
CH (1)	CH643274A5 (de)
DE (1)	DE2945370C3 (de)
DK (1)	DK472879A (de)
ES (1)	ES8103763A1 (de)
FI (1)	FI65790C (de)
FR (1)	FR2441638A1 (de)
GB (1)	GB2035347B (de)
GR (1)	GR66809B (de)
IE (1)	IE49111B1 (de)
IL (1)	IL58613A (de)
IT (1)	IT1209132B (de)
LU (1)	LU81879A1 (de)
MA (1)	MA18637A1 (de)
NL (1)	NL186173C (de)
NO (1)	NO150121C (de)
NZ (1)	NZ192016A (de)
PH (1)	PH18753A (de)
PL (1)	PL128087B1 (de)
PT (1)	PT70434A (de)
SE (1)	SE440661B (de)
ZA (1)	ZA795796B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5594930A (en) *	1979-01-10	1980-07-18	Sumitomo Chem Co Ltd	Preparation of aromatic polyester by improved bulk polymerization process
JPS55149321A (en) *	1979-05-11	1980-11-20	Sumitomo Chem Co Ltd	Preparation of oxybenzoylcopolyester
IE54564B1 (en) *	1982-07-26	1989-11-22	Dart Ind Inc	Polyester moulding compositions and ovenware therefrom
US4626557A (en) *	1982-07-26	1986-12-02	Dart Industries, Inc.	Plastic ovenware containing talc
US4510205A (en) *	1983-05-26	1985-04-09	Eastman Kodak Company	Copolyesterethers coated with saran
US4606930A (en) *	1984-03-02	1986-08-19	Sumitomo Chemical Company, Limited	Method for treating fibers
JPS61199821A (ja) *	1985-03-01	1986-09-04	住友化学工業株式会社	非粘着性を有するプラスチックオ−ブンウエア
US5015723A (en) *	1988-09-02	1991-05-14	Sumitomo Chemical Company, Limited	Process for producing aromatic polyesters
JP2847188B2 (ja) *	1988-11-04	1999-01-13	住友化学工業株式会社	芳香族ポリエステルの製造方法
US5173562A (en) *	1990-10-29	1992-12-22	Chisso America Inc.	Liquid crystal polymer composition containing bisphenol A in combination with 4,4'-thiodiphenol
CN115746281B (zh) *	2022-11-04	2024-05-14	东华大学	一种热致液晶聚合物及其制备方法和应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2600376A (en) *	1949-11-26	1952-06-17	Eastman Kodak Co	Polmesters of hydroxybenzoic acids
US2728747A (en) *	1952-10-22	1955-12-27	Gen Mills Inc	Polyester resins
US3216970A (en) *	1956-12-14	1965-11-09	Gevaert Photo Prod Nv	Production of linear aromatic polyesters containing isophthalic acid
GB907647A (en) *	1960-02-29	1962-10-10	Ici Ltd	New aromatic polyesters
US3240735A (en) *	1961-09-14	1966-03-15	Eastman Kodak Co	Thermoplastic polyesters of bisphenols and dicarboxylic acids having increased modulus of elasticity due to presence of stiffness improving additives
US3310601A (en) *	1963-06-20	1967-03-21	Shell Oil Co	Curing polyepoxides with a mixture of difunctional and polyfunctional mercaptans
US3640965A (en) *	1968-10-02	1972-02-08	Union Carbide Corp	Thermoplastic sulfur-containing polymers
US3637595A (en) *	1969-05-28	1972-01-25	Steve G Cottis	P-oxybenzoyl copolyesters
US3644593A (en) *	1969-05-28	1972-02-22	Carborundum Co	Compositions of matter comprising oxybenzoyl polyesters and polyfluorinated addition polymers
US3600350A (en) *	1970-04-20	1971-08-17	Du Pont	Poly(p-benzamide) composition,process and product
US3857814A (en) *	1970-12-08	1974-12-31	Carborundum Co	Branched aromatic polyesters and cross-linked derivatives thereof
US3873502A (en) *	1972-04-18	1975-03-25	Dow Chemical Co	Cycloaliphatic polythiols and compositions containing same
JPS5629703B2 (de) *	1973-04-03	1981-07-10
JPS505443A (de) *	1973-05-18	1975-01-21
US3972852A (en) *	1973-08-07	1976-08-03	Teijin Limited	Process for preparing aromatic polyesters from diphenols
US4102864A (en) *	1976-02-02	1978-07-25	Monsanto Company	Polyesters of 1,2-bis(hydroxyphenyl) ethanes and aromatic dicarboxylic acids

1978
- 1978-11-09 US US05/959,275 patent/US4219629A/en not_active Expired - Lifetime
1979
- 1979-10-29 ZA ZA00795796A patent/ZA795796B/xx unknown
- 1979-10-31 FI FI793407A patent/FI65790C/fi not_active IP Right Cessation
- 1979-10-31 AU AU52366/79A patent/AU519289B2/en not_active Ceased
- 1979-11-02 IL IL5861379A patent/IL58613A/xx unknown
- 1979-11-02 NZ NZ19201679A patent/NZ192016A/xx unknown
- 1979-11-02 AR AR27874679A patent/AR218561A1/es active
- 1979-11-03 GR GR60410A patent/GR66809B/el unknown
- 1979-11-05 PH PH23240A patent/PH18753A/en unknown
- 1979-11-07 PL PL1979219467A patent/PL128087B1/pl unknown
- 1979-11-07 JP JP14427679A patent/JPS5566924A/ja active Granted
- 1979-11-08 NO NO793604A patent/NO150121C/no unknown
- 1979-11-08 CH CH1001279A patent/CH643274A5/de not_active IP Right Cessation
- 1979-11-08 BR BR7907240A patent/BR7907240A/pt unknown
- 1979-11-08 GB GB7938666A patent/GB2035347B/en not_active Expired
- 1979-11-08 ES ES485810A patent/ES8103763A1/es not_active Expired
- 1979-11-08 DK DK472879A patent/DK472879A/da not_active Application Discontinuation
- 1979-11-08 MA MA18838A patent/MA18637A1/fr unknown
- 1979-11-08 IT IT2714279A patent/IT1209132B/it active
- 1979-11-08 SE SE7909263A patent/SE440661B/sv not_active IP Right Cessation
- 1979-11-08 CA CA339,482A patent/CA1129586A/en not_active Expired
- 1979-11-09 LU LU81879A patent/LU81879A1/fr unknown
- 1979-11-09 DE DE2945370A patent/DE2945370C3/de not_active Expired
- 1979-11-09 PT PT7043479A patent/PT70434A/pt unknown
- 1979-11-09 IE IE2151/79A patent/IE49111B1/en unknown
- 1979-11-09 NL NL7908241A patent/NL186173C/xx not_active IP Right Cessation
- 1979-11-09 FR FR7927755A patent/FR2441638A1/fr active Granted
- 1979-11-09 BE BE0/198049A patent/BE879936A/fr not_active IP Right Cessation
- 1979-11-09 AT AT721279A patent/AT383605B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
IL58613A0 (en)	1980-02-29
AT383605B (de)	1987-07-27
CH643274A5 (de)	1984-05-30
NO150121B (no)	1984-05-14
ZA795796B (en)	1981-07-29
NO793604L (no)	1980-05-12
SE440661B (sv)	1985-08-12
NL186173B (nl)	1990-05-01
GB2035347A (en)	1980-06-18
NL7908241A (nl)	1980-05-13
SE7909263L (sv)	1980-05-10
GB2035347B (en)	1982-11-24
PL128087B1 (en)	1983-12-31
PL219467A1 (de)	1980-12-01
JPS5645930B2 (de)	1981-10-29
DE2945370A1 (de)	1980-05-14
IL58613A (en)	1982-11-30
MA18637A1 (fr)	1980-07-01
PT70434A (en)	1979-12-01
AR218561A1 (es)	1980-06-13
NZ192016A (en)	1981-04-24
LU81879A1 (fr)	1980-04-22
NL186173C (nl)	1990-10-01
ATA721279A (de)	1986-12-15
PH18753A (en)	1985-09-19
BE879936A (fr)	1980-03-03
AU5236679A (en)	1980-05-15
FI65790B (fi)	1984-03-30
ES485810A0 (es)	1981-03-16
IE792151L (en)	1980-05-09
BR7907240A (pt)	1980-07-08
FR2441638A1 (fr)	1980-06-13
FI65790C (fi)	1984-07-10
DE2945370C3 (de)	1982-04-01
DE2945370B2 (de)	1981-05-21
ES8103763A1 (es)	1981-03-16
GR66809B (de)	1981-04-30
FI793407A7 (fi)	1980-05-10
FR2441638B1 (de)	1984-12-28
IT7927142A0 (it)	1979-11-08
US4219629A (en)	1980-08-26
IT1209132B (it)	1989-07-10
JPS5566924A (en)	1980-05-20
IE49111B1 (en)	1985-08-07
NO150121C (no)	1984-08-22
CA1129586A (en)	1982-08-10
AU519289B2 (en)	1981-11-19

Legal Events

Date	Code	Title	Description
1988-07-18	AHB	Application shelved due to non-payment

Publication	Publication Date	Title
FI792168A7 (fi)	1980-01-22	Saett vid framstaellning av fluffmassa
ES245234Y (es)	1980-06-16	Perfeccionamientos en calzoncillos
MX3749E (es)	1981-06-15	Mejoras en equipo de perforacion portatil
IT1053941B (it)	1981-10-10	Perfezionamento nelle grusemoventi
IT1060669B (it)	1982-08-20	Apparecchio per trasportare e orientare articoli
NO150121C (no)	1984-08-22	P-oksybenzoyl-copolyestere med forbedret fleksibilitet og opploeselighet i organiske opploesningsmidler samt anvendelse derav
SE7713520L (sv)	1978-06-10	Losligt fergemne med hog loslighet i organiska losningsmedel
FI783054A7 (fi)	1979-07-06	Omaettad haerdbar polyesterkomposition
MX146361A (es)	1982-06-16	Mejoras en muneca animada
FI792395A7 (fi)	1980-02-04	Anordning foer att foerankra byggnadsdelar in i jorden i en sluttning
MX148620A (es)	1983-05-18	Mejoras en episcopios
AT384335B (de)	1987-10-27	Elektronischer abtast- und haltekreis
AR209171A1 (es)	1977-03-31	Mejoras en cojinetes
FI780973A7 (fi)	1978-10-20	Foerbaettringar i roterugnar
IT1111296B (it)	1986-01-13	Azo- coloranti solubili in solventi organici
FI791239A7 (fi)	1979-10-27	Organiska foereningar
IT1068341B (it)	1985-03-21	Perfezionamenti in o relativi ad un ecodispositivo elettronico
FI782053A7 (fi)	1979-11-03	Malningsskiva foer pappersmassa
DK136779A (da)	1979-10-06	4-halogenetiansyrer og derivater deraf
PT70528A (pt)	1980-01-01	Regelung eines stromrichtergespeisten fahrmotors in feldschwachbereich
SE7806495L (sv)	1979-12-03	Kvevehaltiga heterocykliska foreningar
MX145299A (es)	1982-01-22	Mejoras en soporte extensible
BR5500624U (pt)	1977-01-25	Banqueta articulada e portatil
BR5501337U (pt)	1977-07-26	Disposicao construtiva em cintas
ES239847Y (es)	1979-06-16	Expositor perfeccionado