DE1745476A1 - Verfahren zu der Herstellung hochmolekularer Polymerisationsprodukte - Google Patents
Verfahren zu der Herstellung hochmolekularer PolymerisationsprodukteInfo
- Publication number
- DE1745476A1 DE1745476A1 DE19671745476 DE1745476A DE1745476A1 DE 1745476 A1 DE1745476 A1 DE 1745476A1 DE 19671745476 DE19671745476 DE 19671745476 DE 1745476 A DE1745476 A DE 1745476A DE 1745476 A1 DE1745476 A1 DE 1745476A1
- Authority
- DE
- Germany
- Prior art keywords
- polymerization
- mold
- mixture
- temperature
- molecular weight
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 24
- 150000003951 lactams Chemical class 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 238000012690 ionic polymerization Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical group O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- -1 onantholactam Chemical compound 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001623 magnesium bromide Inorganic materials 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- VGVHNLRUAMRIEW-UHFFFAOYSA-N 4-methylcyclohexan-1-one Chemical compound CC1CCC(=O)CC1 VGVHNLRUAMRIEW-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QFNNDGVVMCZKEY-UHFFFAOYSA-N azacyclododecan-2-one Chemical compound O=C1CCCCCCCCCCN1 QFNNDGVVMCZKEY-UHFFFAOYSA-N 0.000 description 1
- TVJPDXTZUDNPKW-UHFFFAOYSA-N azacycloheptadecan-2-one Chemical compound O=C1CCCCCCCCCCCCCCCN1 TVJPDXTZUDNPKW-UHFFFAOYSA-N 0.000 description 1
- NIMGTMNBWOVIHM-UHFFFAOYSA-N azacyclohexadecan-2-one Chemical compound O=C1CCCCCCCCCCCCCCN1 NIMGTMNBWOVIHM-UHFFFAOYSA-N 0.000 description 1
- YDLSUFFXJYEVHW-UHFFFAOYSA-N azonan-2-one Chemical compound O=C1CCCCCCCN1 YDLSUFFXJYEVHW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- SIPUZPBQZHNSDW-UHFFFAOYSA-N bis(2-methylpropyl)aluminum Chemical compound CC(C)C[Al]CC(C)C SIPUZPBQZHNSDW-UHFFFAOYSA-N 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 150000001912 cyanamides Chemical class 0.000 description 1
- 150000003950 cyclic amides Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- MOMGDEWWZBKDDR-UHFFFAOYSA-M sodium;3,4,5,6-tetrahydro-2h-azepin-7-olate Chemical compound [Na+].O=C1CCCCC[N-]1 MOMGDEWWZBKDDR-UHFFFAOYSA-M 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- DJZKNOVUNYPPEE-UHFFFAOYSA-N tetradecane-1,4,11,14-tetracarboxamide Chemical compound NC(=O)CCCC(C(N)=O)CCCCCCC(C(N)=O)CCCC(N)=O DJZKNOVUNYPPEE-UHFFFAOYSA-N 0.000 description 1
- 125000002813 thiocarbonyl group Chemical group *C(*)=S 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
- B29C31/042—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
- B29C33/36—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable in one direction, e.g. in a closed circuit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
- B29C39/006—Monomers or prepolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/04—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles using movable moulds not applied
- B29C39/06—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles using movable moulds not applied continuously movable, e.g. along a production line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/24—Feeding the material into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/38—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/40—Compensating volume change, e.g. retraction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0088—Molecular weight
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Robotics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6605769A NL6605769A (enExample) | 1966-04-29 | 1966-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1745476A1 true DE1745476A1 (de) | 1971-09-02 |
Family
ID=19796444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671745476 Pending DE1745476A1 (de) | 1966-04-29 | 1967-04-28 | Verfahren zu der Herstellung hochmolekularer Polymerisationsprodukte |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3505448A (enExample) |
| AT (1) | AT271868B (enExample) |
| BE (1) | BE697688A (enExample) |
| CH (1) | CH487202A (enExample) |
| DE (1) | DE1745476A1 (enExample) |
| ES (1) | ES339944A1 (enExample) |
| GB (1) | GB1165558A (enExample) |
| IL (1) | IL27865A (enExample) |
| NL (2) | NL6605769A (enExample) |
| SE (1) | SE347275B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2028873A1 (de) * | 1969-06-19 | 1970-12-23 | Ciba AG, Basel (Schweiz) | Verfahren zur Herstellung von gehärteten Kunststoff-Formkörpern |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2003090A1 (enExample) * | 1968-03-02 | 1969-11-07 | Basf Ag | |
| US3832427A (en) * | 1968-10-14 | 1974-08-27 | Guthrie Ind Ltd | Process for continuously forming a polymeric resinous layer from a multicomponent liquid reactive mixture |
| USRE28498E (en) * | 1969-06-19 | 1975-07-29 | Method of producing a thick-walled cured plastics moulding | |
| US3891740A (en) * | 1972-05-05 | 1975-06-24 | Goodyear Tire & Rubber | Method for forming an injection molded tire using molded reinforcing plies |
| US3981951A (en) * | 1972-10-24 | 1976-09-21 | Rochester Button Company | Decorative rod making |
| US3973889A (en) * | 1974-10-07 | 1976-08-10 | Rochester Button Company | Decorative rod making equipment |
| DE2633560A1 (de) * | 1976-07-26 | 1978-02-09 | Elteka Kunststoff | Verfahren zur herstellung von gusskoerpern durch die aktivierte anionische polymerisation von lactamen |
| DE3044682A1 (de) * | 1980-11-27 | 1982-06-24 | Diehl GmbH & Co, 8500 Nürnberg | Kunststoff-koerper als schalen fuer uebungshandgranaten |
| ATE168926T1 (de) * | 1994-03-17 | 1998-08-15 | Hedrich Vakuumanlagen Wilhelm | Verfahren und vorrichtung zum befüllen von giessformen mit giessharz |
| GB0200313D0 (en) * | 2002-01-08 | 2002-02-20 | Mining & Chemical Products Ltd | Moulded plastics articles |
| EP2338665B1 (en) | 2009-12-22 | 2017-08-30 | Fundacion Inasmet | Process and device for polymerizing lactams in molds |
| EP3078465B1 (en) | 2013-12-03 | 2019-01-02 | Fundación Tecnalia Research & Innovation | Device for polymerizing lactams in molds |
| CN108481636A (zh) * | 2018-03-29 | 2018-09-04 | 莫石维 | 一种注塑模具装置 |
| CN109866387A (zh) * | 2019-01-25 | 2019-06-11 | 芮文荣 | 一种节能环保的装饰板材生产装置 |
| CN112622130A (zh) * | 2020-12-21 | 2021-04-09 | 常秀成 | 一种计算机散热风扇叶片加工系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH413363A (de) * | 1959-12-02 | 1966-05-15 | Wichterle Otto Prof Ing Dr | Verfahren und Einrichtung zur kontinuierlichen und schnellen Polymerisation von 6-Caprolactam und anderen polymerisierbaren Lactamen, verbunden mit der Formung des Polymers |
| US3141006A (en) * | 1961-09-05 | 1964-07-14 | Du Pont | Anionic polymerization of lactams with dilactim ethers as cocatalysts |
| US3121768A (en) * | 1962-09-27 | 1964-02-18 | Polymer Processes Inc | Method of casting |
| US3294757A (en) * | 1963-04-12 | 1966-12-27 | Polymer Corp | Adiabatic, solid state polymerization of lactams |
-
0
- NL NL133664D patent/NL133664C/xx active
-
1966
- 1966-04-29 NL NL6605769A patent/NL6605769A/xx unknown
-
1967
- 1967-04-25 AT AT391167A patent/AT271868B/de active
- 1967-04-26 GB GB09189/67A patent/GB1165558A/en not_active Expired
- 1967-04-26 IL IL27865A patent/IL27865A/xx unknown
- 1967-04-27 BE BE697688D patent/BE697688A/xx unknown
- 1967-04-27 CH CH601867A patent/CH487202A/de not_active IP Right Cessation
- 1967-04-28 US US634624A patent/US3505448A/en not_active Expired - Lifetime
- 1967-04-28 ES ES339944A patent/ES339944A1/es not_active Expired
- 1967-04-28 DE DE19671745476 patent/DE1745476A1/de active Pending
- 1967-04-28 SE SE06100/67*A patent/SE347275B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2028873A1 (de) * | 1969-06-19 | 1970-12-23 | Ciba AG, Basel (Schweiz) | Verfahren zur Herstellung von gehärteten Kunststoff-Formkörpern |
Also Published As
| Publication number | Publication date |
|---|---|
| IL27865A (en) | 1970-11-30 |
| US3505448A (en) | 1970-04-07 |
| ES339944A1 (es) | 1968-09-01 |
| BE697688A (enExample) | 1967-10-27 |
| CH487202A (de) | 1970-03-15 |
| AT271868B (de) | 1969-06-25 |
| NL6605769A (enExample) | 1967-10-30 |
| GB1165558A (en) | 1969-10-01 |
| SE347275B (enExample) | 1972-07-31 |
| NL133664C (enExample) |
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