NL192061C - Werkwijze voor de vervaardiging van een gevormd voortbrengsel. - Google Patents
Werkwijze voor de vervaardiging van een gevormd voortbrengsel. Download PDFInfo
- Publication number
- NL192061C NL192061C NL8300013A NL8300013A NL192061C NL 192061 C NL192061 C NL 192061C NL 8300013 A NL8300013 A NL 8300013A NL 8300013 A NL8300013 A NL 8300013A NL 192061 C NL192061 C NL 192061C
- Authority
- NL
- Netherlands
- Prior art keywords
- resin
- temperature
- carbonate
- polycarbonate
- weight
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 16
- -1 phosphorous acid ester Chemical class 0.000 claims description 15
- 238000001746 injection moulding Methods 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000011342 resin composition Substances 0.000 claims description 9
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 claims description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 8
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 125000004464 hydroxyphenyl group Chemical group 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 150000003014 phosphoric acid esters Chemical group 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 229920005668 polycarbonate resin Polymers 0.000 description 33
- 239000004431 polycarbonate resin Substances 0.000 description 33
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 10
- 239000011449 brick Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000003462 sulfoxides Chemical class 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- JZHFEIFGQNJICL-UHFFFAOYSA-N 2-[2-(2-hydroxyphenyl)octan-2-yl]phenol Chemical compound C=1C=CC=C(O)C=1C(C)(CCCCCC)C1=CC=CC=C1O JZHFEIFGQNJICL-UHFFFAOYSA-N 0.000 description 1
- XKZGIJICHCVXFV-UHFFFAOYSA-N 2-ethylhexyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCC(CC)CCCC)OC1=CC=CC=C1 XKZGIJICHCVXFV-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 description 1
- NZGQHKSLKRFZFL-UHFFFAOYSA-N 4-(4-hydroxyphenoxy)phenol Chemical compound C1=CC(O)=CC=C1OC1=CC=C(O)C=C1 NZGQHKSLKRFZFL-UHFFFAOYSA-N 0.000 description 1
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- SDDLEVPIDBLVHC-UHFFFAOYSA-N Bisphenol Z Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)CCCCC1 SDDLEVPIDBLVHC-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 238000012695 Interfacial polymerization Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005027 hydroxyaryl group Chemical group 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- ILLOBGFGKYTZRO-UHFFFAOYSA-N tris(2-ethylhexyl) phosphite Chemical compound CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC ILLOBGFGKYTZRO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP831582 | 1982-01-22 | ||
| JP57008315A JPS58126119A (ja) | 1982-01-22 | 1982-01-22 | 光学的特性のすぐれた成形物の製造法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL8300013A NL8300013A (nl) | 1983-08-16 |
| NL192061B NL192061B (nl) | 1996-09-02 |
| NL192061C true NL192061C (nl) | 1997-01-07 |
Family
ID=11689716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8300013A NL192061C (nl) | 1982-01-22 | 1983-01-04 | Werkwijze voor de vervaardiging van een gevormd voortbrengsel. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4514357A (it) |
| JP (1) | JPS58126119A (it) |
| DE (1) | DE3301963A1 (it) |
| FR (1) | FR2520370B1 (it) |
| GB (1) | GB2114501B (it) |
| IT (1) | IT1163020B (it) |
| NL (1) | NL192061C (it) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0723921B2 (ja) * | 1982-01-22 | 1995-03-15 | 三菱化学株式会社 | 光学ディスク基板 |
| JPS58180553A (ja) * | 1982-04-19 | 1983-10-22 | Idemitsu Petrochem Co Ltd | 光学機器用成形素材 |
| JPS60155424A (ja) * | 1984-01-26 | 1985-08-15 | Daicel Chem Ind Ltd | 大径のポリカ−ボネ−ト製光デイスク基板およびその製造法 |
| JPS60166321A (ja) * | 1984-02-10 | 1985-08-29 | Idemitsu Kosan Co Ltd | 光学機器用素材 |
| JPH0725871B2 (ja) * | 1984-03-28 | 1995-03-22 | 三菱瓦斯化学株式会社 | ポリカーボネート樹脂光学成形品 |
| JPS60215020A (ja) * | 1984-04-10 | 1985-10-28 | Mitsubishi Gas Chem Co Inc | ポリカ−ボネ−ト樹脂光学成形品 |
| JPS60215022A (ja) * | 1984-04-10 | 1985-10-28 | Mitsubishi Gas Chem Co Inc | ポリカ−ボネ−ト樹脂の製法及びそれを用いた光学成形品 |
| JPS61287954A (ja) * | 1985-06-14 | 1986-12-18 | Teijin Chem Ltd | ポリカ−ボネ−ト樹脂組成物 |
| JPS6264860A (ja) * | 1985-09-17 | 1987-03-23 | Teijin Chem Ltd | 光学用成形材料 |
| JPH0620783B2 (ja) * | 1986-01-31 | 1994-03-23 | 三菱化成株式会社 | ポリカ−ボネ−ト樹脂製光デイスク基板の製造法 |
| JPH0620784B2 (ja) * | 1986-03-26 | 1994-03-23 | 三菱化成株式会社 | ポリカ−ボネ−ト樹脂よりなる光デイスク基板の製造法 |
| GB2188862B (en) * | 1986-04-12 | 1989-12-28 | Duncan Barton Miller | A method for the manufacture of cylindrical sound records |
| JPH0618890B2 (ja) * | 1986-06-23 | 1994-03-16 | 三菱化成株式会社 | ポリカ−ポネ−ト成形材料 |
| US5011967A (en) * | 1986-10-10 | 1991-04-30 | General Electric Company | Method for preparing aromatic bischloroformate compositions |
| JPH0757499B2 (ja) * | 1987-01-30 | 1995-06-21 | キヤノン株式会社 | 光デイスク基板の製造法 |
| JPH0774303B2 (ja) * | 1988-04-27 | 1995-08-09 | 出光石油化学株式会社 | ポリカーボネート組成物及びその製造方法 |
| US4939230A (en) * | 1988-11-16 | 1990-07-03 | The Dow Chemical Company | Elimination of monocarbonate from polycarbonate |
| US4980105A (en) * | 1989-08-28 | 1990-12-25 | General Electric Company | Method for extruder devolatilization of spiro(bis)indane polycarbonates |
| NL9000006A (nl) * | 1990-01-03 | 1991-08-01 | Stamicarbon | Werkwijze voor het vervaardigen van voorwerpen uit polycarbonaat. |
| JP2804596B2 (ja) * | 1990-04-19 | 1998-09-30 | ダイセル化学工業株式会社 | ポリカーボネートの製造法 |
| JPH0415221A (ja) * | 1990-05-08 | 1992-01-20 | Daicel Chem Ind Ltd | ポリカーボネートの製造法 |
| US5203671A (en) * | 1991-07-09 | 1993-04-20 | C&D Robotics | Apparatus for palletizing bundles of paper |
| EP0584801A3 (en) * | 1992-08-26 | 1994-09-14 | Mitsubishi Chem Ind | Aromatic polycarbonate resins and process for the preparation thereof |
| US5519106A (en) * | 1992-08-26 | 1996-05-21 | Mitsubishi Chemical Corporation | Process for the preparation of aromatic polycarbonate resins |
| JP3436466B2 (ja) * | 1996-03-07 | 2003-08-11 | 出光石油化学株式会社 | デジタルビデオディスク基板 |
| JP2836680B2 (ja) * | 1996-12-26 | 1998-12-14 | 三菱化学株式会社 | ポリカーボネート樹脂よりなる光ディスク基板の製造法 |
| JP2002069219A (ja) * | 2000-08-31 | 2002-03-08 | Teijin Chem Ltd | ポリカーボネート樹脂組成物成形体 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1274274B (de) * | 1963-04-11 | 1968-08-01 | Bayer Ag | Verfahren zur Herstellung von Faeden oder Filmen durch Verformen von hochmolekularenlinearen Polycarbonaten |
| US3305520A (en) * | 1965-04-06 | 1967-02-21 | Bayer Ag | Polycarbonates stabilized by phosphites |
| US3763063A (en) * | 1972-06-14 | 1973-10-02 | Gen Electric | Color stabilized polycarbonate composition containing a cadmium or cerium salt of an alkanoic acid an alkanoic acid and an organic phosphite |
| DE2402367A1 (de) * | 1973-01-23 | 1974-07-25 | Gen Electric | Hitzestabilisiertes polycarbonatharz |
| JPS5120259A (ja) * | 1974-07-26 | 1976-02-18 | Dainippon Printing Co Ltd | Purasuchitsukurenzunoseizoho |
| US4008031A (en) * | 1975-08-22 | 1977-02-15 | Weber Hermann P | Apparatus for injection molding lenses |
| US4197384A (en) * | 1977-12-28 | 1980-04-08 | General Electric Company | Stabilized polycarbonate compositions |
| JPS558189A (en) * | 1978-07-05 | 1980-01-21 | Matsushita Electric Ind Co Ltd | Television picture receiver |
| JPS5935360B2 (ja) * | 1978-07-21 | 1984-08-28 | プロセス資材株式会社 | 記録材料 |
| US4364878A (en) * | 1978-08-10 | 1982-12-21 | Omnitech Inc. | Method for molding ophthalmic lenses |
| JPS5581893A (en) * | 1978-11-02 | 1980-06-20 | Gen Electric | Phosphite compound |
| US4276233A (en) * | 1978-11-02 | 1981-06-30 | General Electric Company | Hindered phenol phosphites |
| US4254065A (en) * | 1979-04-04 | 1981-03-03 | Ratkowski Donald J | Injection molding of contact lenses |
| US4284591A (en) * | 1980-04-28 | 1981-08-18 | Neefe Optica Lab Inc. | Injection molding of optical lenses and optical molds |
-
1982
- 1982-01-22 JP JP57008315A patent/JPS58126119A/ja active Granted
- 1982-12-15 US US06/450,039 patent/US4514357A/en not_active Expired - Lifetime
- 1982-12-30 GB GB08236988A patent/GB2114501B/en not_active Expired
-
1983
- 1983-01-04 NL NL8300013A patent/NL192061C/nl not_active IP Right Cessation
- 1983-01-14 IT IT19113/83A patent/IT1163020B/it active
- 1983-01-21 FR FR8300942A patent/FR2520370B1/fr not_active Expired
- 1983-01-21 DE DE19833301963 patent/DE3301963A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2520370B1 (fr) | 1986-11-07 |
| IT8319113A0 (it) | 1983-01-14 |
| NL192061B (nl) | 1996-09-02 |
| JPS6356043B2 (it) | 1988-11-07 |
| IT1163020B (it) | 1987-04-08 |
| FR2520370A1 (fr) | 1983-07-29 |
| DE3301963A1 (de) | 1983-08-04 |
| NL8300013A (nl) | 1983-08-16 |
| JPS58126119A (ja) | 1983-07-27 |
| GB2114501A (en) | 1983-08-24 |
| DE3301963C2 (it) | 1990-05-17 |
| GB2114501B (en) | 1985-06-26 |
| US4514357A (en) | 1985-04-30 |
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