AU519928B2 - Polyolefin retin foams - Google Patents

Polyolefin retin foams

Info

Publication number: AU519928B2
Authority: AU; Australia
Prior art keywords: retin; foams; polyolefin; retin foams; polyolefin retin
Prior art date: 1978-05-26
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

Application number

AU49650/79A

Other versions

AU4965079A (en

Inventor

Atsuo Sasama

Yutaka Tamaguchi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Showa Denko Materials Co ltd

Original Assignee

Hitachi Chemical Co Ltd

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.)

1978-05-26

Filing date

1979-08-07

Publication date

1980-11-06

1979-08-07 Application filed by Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd

1980-04-17 Publication of AU4965079A publication Critical patent/AU4965079A/en

1980-11-06 Application granted granted Critical

1980-11-06 Publication of AU519928B2 publication Critical patent/AU519928B2/en

1999-08-07 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/025—Bulk storage in barges or on ships
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/04—Vessels not under pressure with provision for thermal insulation by insulating layers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/014—Suspension means
- F17C2203/015—Bars
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0308—Radiation shield
- F17C2203/032—Multi-sheet layers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0329—Foam
- F17C2203/0333—Polyurethane
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0345—Fibres
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0354—Wood
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0604—Liners
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0609—Straps, bands or ribbons
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0629—Two walls
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
- F17C2203/0643—Stainless steels
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0648—Alloys or compositions of metals
- F17C2203/0651—Invar
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/232—Manufacturing of particular parts or at special locations of walls
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
- F17C2260/033—Dealing with losses due to heat transfer by enhancing insulation
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Ocean & Marine Engineering (AREA)
Filling Or Discharging Of Gas Storage Vessels (AREA)

AU49650/79A 1978-05-26 1979-08-07 Polyolefin retin foams Ceased AU519928B2 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
US90992978A	1978-05-26	1978-05-26
JP9016778		1978-07-24
JP9016578		1978-07-24
JP9701778		1978-08-09

Publications (2)

Publication Number	Publication Date
AU4965079A AU4965079A (en)	1980-04-17
AU519928B2 true AU519928B2 (en)	1980-11-06

Family

ID=25428059

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
AU45960/79A Ceased AU512928B2 (en)	1978-05-26	1979-04-11	Corner structure for cryogenic insulation system
AU49650/79A Ceased AU519928B2 (en)	1978-05-26	1979-08-07	Polyolefin retin foams

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
AU45960/79A Ceased AU512928B2 (en)	1978-05-26	1979-04-11	Corner structure for cryogenic insulation system

Country Status (10)

Country	Link
JP (1)	JPS5838673B2 (en)
AU (2)	AU512928B2 (en)
BE (1)	BE875515A (en)
CA (1)	CA1088438A (en)
DE (1)	DE2915700C2 (en)
FR (1)	FR2426856A1 (en)
GB (1)	GB2022231B (en)
NL (1)	NL174979C (en)
NO (1)	NO145997C (en)
SE (1)	SE438024B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2549575B1 (en) *	1983-07-18	1985-11-08	Gaz Transport	WATERPROOF AND INSULATED VESSEL TANK, PARTICULARLY FOR THE TRANSPORT OF LIQUEFIED NATURAL GAS
FR2709726B1 (en) *	1993-09-09	1995-12-22	Gaz Transport	Improved waterproof and thermally insulating tank, integrated into the supporting structure of a ship.
FR2709725B1 (en) *	1993-09-09	1995-11-10	Gaz Transport	Watertight and thermally insulating tank integrated into the supporting structure of a ship having a simplified angle structure.
FR2798358B1 (en) *	1999-09-14	2001-11-02	Gaz Transport & Technigaz	WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED INTO A VESSEL CARRIER STRUCTURE WITH SIMPLIFIED ANGLE STRUCTURE
FR3086031B1 (en) *	2018-09-18	2020-09-11	Gaztransport Et Technigaz	LIQUEFIED GAS STORAGE INSTALLATION

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1438330A (en) *	1965-03-05	1966-05-13	Gaz Transp	Integrated tank improved for the transport of liquefied gases
US3337079A (en) *	1965-06-04	1967-08-22	Exxon Research Engineering Co	Stressed membrane liquified gas container
FR1481808A (en) *	1965-06-04	1967-05-19	Exxon Research Engineering Co	Cargo tank for liquefied natural gas having a stressed membrane
FR1492959A (en) *	1966-05-20	1967-08-25	Technigaz	Containment interior wall corner structure or the like, method of construction thereof and various applications
FR1554714A (en) *	1967-10-12	1969-01-24
FR2178752B1 (en) *	1972-04-05	1976-10-29	Gaz Transport
FR2321657A1 (en) *	1975-08-22	1977-03-18	Gaz Transport	TANK FOR THE STORAGE OF LIQUID PRODUCTS, IN PARTICULAR FOR VESSELS CARRYING LIQUEFIED NATURAL GAS
US4170952A (en) *	1976-03-09	1979-10-16	Mcdonnell Douglas Corporation	Cryogenic insulation system
GB1557950A (en) *	1977-08-15	1979-12-19	Mitsubishi Heavy Ind Ltd	Membrane structures for storage tanks for low temperature liquified gases

1979
- 1979-03-21 CA CA323,892A patent/CA1088438A/en not_active Expired
- 1979-03-28 SE SE7902769A patent/SE438024B/en unknown
- 1979-03-29 GB GB7910972A patent/GB2022231B/en not_active Expired
- 1979-03-30 NL NLAANVRAGE7902505,A patent/NL174979C/en not_active IP Right Cessation
- 1979-04-11 NO NO791235A patent/NO145997C/en unknown
- 1979-04-11 AU AU45960/79A patent/AU512928B2/en not_active Ceased
- 1979-04-11 FR FR7909159A patent/FR2426856A1/en active Granted
- 1979-04-12 BE BE1/9354A patent/BE875515A/en not_active IP Right Cessation
- 1979-04-12 DE DE2915700A patent/DE2915700C2/en not_active Expired
- 1979-04-16 JP JP54046572A patent/JPS5838673B2/en not_active Expired
- 1979-08-07 AU AU49650/79A patent/AU519928B2/en not_active Ceased

Also Published As

Publication number	Publication date
JPS5838673B2 (en)	1983-08-24
DE2915700A1 (en)	1979-11-29
NO791235L (en)	1979-11-27
NO145997C (en)	1982-07-07
GB2022231B (en)	1982-07-21
CA1088438A (en)	1980-10-28
NO145997B (en)	1982-03-29
NL7902505A (en)	1979-11-28
BE875515A (en)	1979-10-12
AU512928B2 (en)	1980-11-06
DE2915700C2 (en)	1985-02-14
FR2426856B1 (en)	1983-07-22
FR2426856A1 (en)	1979-12-21
NL174979C (en)	1984-09-03
JPS54156214A (en)	1979-12-10
SE7902769L (en)	1979-11-27
AU4965079A (en)	1980-04-17
NL174979B (en)	1984-04-02
GB2022231A (en)	1979-12-12
AU4596079A (en)	1979-11-29
SE438024B (en)	1985-03-25

Publication	Publication Date	Title
AU532364B2 (en)	1983-09-29	Razors
AU4450079A (en)	1979-08-30	Pneumatic-tube station
AU4404779A (en)	1979-08-23	Cassette
AU532146B2 (en)	1983-09-22	Partitioned lick-block
AU4790779A (en)	1980-01-03	Films
AU523946B2 (en)	1982-08-26	Foamed polyolefin film
AU522461B2 (en)	1982-06-10	Polyolefin films
AU563267B2 (en)	1987-07-02	Foamable polyolefin composition
AU529330B2 (en)	1983-06-02	Piperazinylbenzoheterocyclic compounds
AU525731B2 (en)	1982-11-25	System for boring raises
AU526183B2 (en)	1982-12-23	Sulfonato-organosilanol compounds
AU531417B2 (en)	1983-08-25	Cassette
AU528403B2 (en)	1983-04-28	Flukicidal compounds
MY8400212A (en)	1984-12-31	Polyolefin films
AU519928B2 (en)	1980-11-06	Polyolefin retin foams
AU514629B2 (en)	1981-02-19	Cutting apparatus
AU519608B2 (en)	1981-12-10	Cassette
AU520081B2 (en)	1982-01-14	Furonaphthyridine compounds
AU566592B2 (en)	1987-10-22	Workbench
SU694289A1 (en)	1979-10-30	Chuck
AU531535B2 (en)	1983-08-25	Oxothia compounds
AU5068579A (en)	1980-03-20	Compounds
AU519768B2 (en)	1981-12-24	Plasma cutting
AU531761B2 (en)	1983-09-08	Pivots
AU527521B2 (en)	1983-03-10	Polyolefin composition