CA1127374A - Sulfate de calcium fibreux - Google Patents

Sulfate de calcium fibreux

Info

Publication number: CA1127374A
Authority: CA; Canada
Prior art keywords: fiber; temperature; calcium sulfate; gypsum; fibers
Prior art date: 1977-11-25
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.): Expired

Application number

CA387,331A

Other languages

English (en)

Inventor

Jerry G. Winslow

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.)

United States Gypsum Co

Original Assignee

United States Gypsum 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.)

1977-11-25

Filing date

1981-10-05

Publication date

1982-07-13

1977-11-25 Priority claimed from US05/854,774 external-priority patent/US4152408A/en

1981-10-05 Application filed by United States Gypsum Co filed Critical United States Gypsum Co

1981-10-05 Priority to CA387,331A priority Critical patent/CA1127374A/fr

1982-07-13 Application granted granted Critical

1982-07-13 Publication of CA1127374A publication Critical patent/CA1127374A/fr

Status Expired legal-status Critical Current

Links

OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 117
239000000835 fiber Substances 0.000 claims abstract description 132
229910052602 gypsum Inorganic materials 0.000 claims abstract description 33
239000010440 gypsum Substances 0.000 claims abstract description 33
238000000034 method Methods 0.000 claims abstract description 30
230000008569 process Effects 0.000 claims abstract description 15
238000001354 calcination Methods 0.000 claims abstract description 14
239000002002 slurry Substances 0.000 claims description 24
239000006185 dispersion Substances 0.000 claims description 9
238000001035 drying Methods 0.000 claims description 9
238000010438 heat treatment Methods 0.000 claims description 7
238000001816 cooling Methods 0.000 claims description 4
238000004519 manufacturing process Methods 0.000 claims description 3
239000011541 reaction mixture Substances 0.000 claims description 3
239000010419 fine particle Substances 0.000 claims 1
239000013078 crystal Substances 0.000 abstract description 33
239000002270 dispersing agent Substances 0.000 abstract description 13
239000000126 substance Substances 0.000 abstract description 11
238000006243 chemical reaction Methods 0.000 abstract description 10
239000011159 matrix material Substances 0.000 abstract description 8
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 2
239000011575 calcium Substances 0.000 abstract description 2
229910052791 calcium Inorganic materials 0.000 abstract description 2
230000006378 damage Effects 0.000 abstract description 2
238000011161 development Methods 0.000 abstract description 2
239000012744 reinforcing agent Substances 0.000 abstract description 2
239000007900 aqueous suspension Substances 0.000 abstract 1
239000000047 product Substances 0.000 description 42
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
239000000203 mixture Substances 0.000 description 29
KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 18
238000002156 mixing Methods 0.000 description 15
230000015572 biosynthetic process Effects 0.000 description 13
239000000463 material Substances 0.000 description 13
229920005989 resin Polymers 0.000 description 12
239000011347 resin Substances 0.000 description 12
239000010425 asbestos Substances 0.000 description 8
238000002474 experimental method Methods 0.000 description 8
239000004033 plastic Substances 0.000 description 8
229920003023 plastic Polymers 0.000 description 8
229920000728 polyester Polymers 0.000 description 8
230000002787 reinforcement Effects 0.000 description 8
229910052895 riebeckite Inorganic materials 0.000 description 8
239000001384 succinic acid Substances 0.000 description 8
229920002258 tannic acid Polymers 0.000 description 8
235000015523 tannic acid Nutrition 0.000 description 8
238000012360 testing method Methods 0.000 description 8
229920001864 tannin Polymers 0.000 description 7
235000018553 tannin Nutrition 0.000 description 7
239000001648 tannin Substances 0.000 description 7
TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 6
239000001263 FEMA 3042 Substances 0.000 description 6
LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 6
229910052925 anhydrite Inorganic materials 0.000 description 6
RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 6
239000002131 composite material Substances 0.000 description 6
LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 6
229940033123 tannic acid Drugs 0.000 description 6
230000009466 transformation Effects 0.000 description 6
239000004677 Nylon Substances 0.000 description 5
238000013019 agitation Methods 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
238000009472 formulation Methods 0.000 description 5
239000012535 impurity Substances 0.000 description 5
229920001778 nylon Polymers 0.000 description 5
229920000642 polymer Polymers 0.000 description 5
230000015556 catabolic process Effects 0.000 description 4
238000006731 degradation reaction Methods 0.000 description 4
239000012065 filter cake Substances 0.000 description 4
239000007788 liquid Substances 0.000 description 4
239000012783 reinforcing fiber Substances 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
239000002253 acid Substances 0.000 description 3
239000004568 cement Substances 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
238000007906 compression Methods 0.000 description 3
230000006835 compression Effects 0.000 description 3
238000009826 distribution Methods 0.000 description 3
238000001125 extrusion Methods 0.000 description 3
238000001914 filtration Methods 0.000 description 3
238000002347 injection Methods 0.000 description 3
239000007924 injection Substances 0.000 description 3
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
239000003607 modifier Substances 0.000 description 3
239000002245 particle Substances 0.000 description 3
229920001568 phenolic resin Polymers 0.000 description 3
230000000704 physical effect Effects 0.000 description 3
239000011505 plaster Substances 0.000 description 3
238000003756 stirring Methods 0.000 description 3
239000000725 suspension Substances 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 2
239000003085 diluting agent Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000000284 extract Substances 0.000 description 2
239000011152 fibreglass Substances 0.000 description 2
239000011507 gypsum plaster Substances 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
230000002401 inhibitory effect Effects 0.000 description 2
238000001746 injection moulding Methods 0.000 description 2
238000004898 kneading Methods 0.000 description 2
239000000395 magnesium oxide Substances 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
239000008188 pellet Substances 0.000 description 2
239000005011 phenolic resin Substances 0.000 description 2
239000004645 polyester resin Substances 0.000 description 2
229920001225 polyester resin Polymers 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
238000011085 pressure filtration Methods 0.000 description 2
238000012545 processing Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000000243 solution Substances 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000012815 thermoplastic material Substances 0.000 description 2
SYJPAKDNFZLSMV-HYXAFXHYSA-N (Z)-2-methylpropanal oxime Chemical compound CC(C)\C=N/O SYJPAKDNFZLSMV-HYXAFXHYSA-N 0.000 description 1
QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
229920000877 Melamine resin Polymers 0.000 description 1
241001077673 Mylon Species 0.000 description 1
229920002302 Nylon 6,6 Polymers 0.000 description 1
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
238000010793 Steam injection (oil industry) Methods 0.000 description 1
241001122767 Theaceae Species 0.000 description 1
229920001807 Urea-formaldehyde Polymers 0.000 description 1
239000004957 Zytel Substances 0.000 description 1
229920006102 Zytel® Polymers 0.000 description 1
230000002411 adverse Effects 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
239000012298 atmosphere Substances 0.000 description 1
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
238000010923 batch production Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000008901 benefit Effects 0.000 description 1
150000001558 benzoic acid derivatives Chemical class 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
239000004567 concrete Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000000593 degrading effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
KZGQGOXKCBISME-UHFFFAOYSA-J dicalcium;disulfate Chemical compound [Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O KZGQGOXKCBISME-UHFFFAOYSA-J 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
238000005485 electric heating Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
229910001651 emery Inorganic materials 0.000 description 1
229920003247 engineering thermoplastic Polymers 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
239000012467 final product Substances 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000006260 foam Substances 0.000 description 1
IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
230000005484 gravity Effects 0.000 description 1
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
239000011396 hydraulic cement Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
238000009863 impact test Methods 0.000 description 1
239000002440 industrial waste Substances 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
238000009413 insulation Methods 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
239000000155 melt Substances 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000002991 molded plastic Substances 0.000 description 1
229920003986 novolac Polymers 0.000 description 1
230000006911 nucleation Effects 0.000 description 1
238000010899 nucleation Methods 0.000 description 1
239000006259 organic additive Substances 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
-1 phenyl sili-cone Chemical compound 0.000 description 1
229920000647 polyepoxide Polymers 0.000 description 1
ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
239000004814 polyurethane Substances 0.000 description 1
229920002635 polyurethane Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
239000011342 resin composition Substances 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000003340 retarding agent Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000010008 shearing Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229920001059 synthetic polymer Polymers 0.000 description 1
238000012956 testing procedure Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000000844 transformation Methods 0.000 description 1
238000011282 treatment Methods 0.000 description 1
238000013022 venting Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Landscapes

Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

CA387,331A 1977-11-25 1981-10-05 Sulfate de calcium fibreux Expired CA1127374A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA387,331A CA1127374A (fr)	1977-11-25	1981-10-05	Sulfate de calcium fibreux

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US05/854,774 US4152408A (en)	1977-11-25	1977-11-25	Fibrous calcium sulfate
US854,774		1977-11-25
CA314,239A CA1115487A (fr)	1977-11-25	1978-10-25	Sulfate de calcium fibreux
CA387,331A CA1127374A (fr)	1977-11-25	1981-10-05	Sulfate de calcium fibreux

Publications (1)

Publication Number	Publication Date
CA1127374A true CA1127374A (fr)	1982-07-13

Family

ID=27165936

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA387,331A Expired CA1127374A (fr)	1977-11-25	1981-10-05	Sulfate de calcium fibreux

Country Status (1)

Country	Link
CA (1)	CA1127374A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115432986A (zh) *	2022-09-28	2022-12-06	宜都兴发化工有限公司	一种高强透水复合材料的制备方法

1981
- 1981-10-05 CA CA387,331A patent/CA1127374A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115432986A (zh) *	2022-09-28	2022-12-06	宜都兴发化工有限公司	一种高强透水复合材料的制备方法
CN115432986B (zh) *	2022-09-28	2023-10-24	宜都兴发化工有限公司	一种高强透水复合材料的制备方法

Publication	Publication Date	Title
CA1115487A (fr)	1982-01-05	Sulfate de calcium fibreux
WO2015085139A1 (fr)	2015-06-11	Modificateurs composites de gypse
CA1127374A (fr)	1982-07-13	Sulfate de calcium fibreux
EP1867611A1 (fr)	2007-12-19	Procédé de préparation pour le verre
CA1334242C (fr)	1995-02-07	Forme granulaire d'oxysulfate de magnesium fibreux et composition de resine thermoplastique contenant ce produit
JP4002684B2 (ja)	2007-11-07	高耐熱性ポリプロピレン繊維
CA1070478A (fr)	1980-01-29	Procede pour la production d'aluminate-trisulfate de calcium hydrate et son produit de deshydratation
DE69622795T2 (de)	2003-05-08	Verfahren zur Herstellung eines kristallinen Natriumdisilikats mit Schichtstruktur
JP3643915B2 (ja)	2005-04-27	新規なケイ酸カルシウムウィスカー及びその製造方法
CA1058828A (fr)	1979-07-24	Procede pour la production d'aluminate-monosulfate de calcium hydrate
JPH10265630A (ja)	1998-10-06	強化ポリプロピレン組成物
US3856544A (en)	1974-12-24	Fiber-reinforced calcium silicate hydrate insulation
JP7542704B1 (ja)	2024-08-30	液晶ポリマー樹脂、及び液晶ポリマー樹脂から成る成形物
SK279335B6 (sk)	1998-10-07	Spôsob výroby kovových hydroxidov s malým špecific
JP3398544B2 (ja)	2003-04-21	パーライト硬化体の製造方法
JPS63195181A (ja)	1988-08-12	石こう板の製造方法
JPH0450154A (ja)	1992-02-19	多モード球状水硬性組成物および多モード球状水硬性組成物硬化体
EP0381662B1 (fr)	1993-06-16	Procédé pour la fabrication de corps abrasifs
Acharjya et al.	2024	Impact of magnesium hydroxide particles decorated Kenaf fibre on the physico-mechanical properties of polypropylene-based composites
JPS6117782B2 (fr)	1986-05-09
JP2604220B2 (ja)	1997-04-30	繊維強化セメント成形物
KR960011324B1 (ko)	1996-08-22	비에스피(bsp) 콘크리트 및 그 제조방법
JPH07206440A (ja)	1995-08-08	六チタン酸ナトリウム繊維の製造方法
JPS60243156A (ja)	1985-12-03	改質石こう針状結晶と合成樹脂との複合化組成物
NL8921406A (nl)	1990-12-03	Voorwerp met een laag gewicht en werkwijze voor het vervaardigen hiervan.

Legal Events

Date	Code	Title	Description
1999-07-13	MKEX	Expiry