GB760025A - Improvements in or relating to linear polyamides - Google Patents

Improvements in or relating to linear polyamides

Info

Publication number
GB760025A
GB760025A GB3167753A GB3167753A GB760025A GB 760025 A GB760025 A GB 760025A GB 3167753 A GB3167753 A GB 3167753A GB 3167753 A GB3167753 A GB 3167753A GB 760025 A GB760025 A GB 760025A
Authority
GB
United Kingdom
Prior art keywords
polyamide
group
diamines
dibasic acids
linear polyamides
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.)
Expired
Application number
GB3167753A
Other languages
English (en)
Inventor
Winston Costain
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3167753A priority Critical patent/GB760025A/en
Priority to ES0218247A priority patent/ES218247A1/es
Priority to NL192169A priority patent/NL83393C/xx
Priority to BE533330D priority patent/BE533330A/xx
Priority to FR1118435D priority patent/FR1118435A/fr
Publication of GB760025A publication Critical patent/GB760025A/en
Expired legal-status Critical Current

Links

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
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic acids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0831—Compensation of the diversity switching process for non-uniform properties or faulty operations of the switches used in the diversity switching process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
GB3167753A 1953-11-16 1953-11-16 Improvements in or relating to linear polyamides Expired GB760025A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB3167753A GB760025A (en) 1953-11-16 1953-11-16 Improvements in or relating to linear polyamides
ES0218247A ES218247A1 (es) 1953-11-16 1954-11-05 Procedimiento de obtencion de nuevas poliamidas sinteticas
NL192169A NL83393C (enrdf_load_stackoverflow) 1953-11-16 1954-11-06
BE533330D BE533330A (enrdf_load_stackoverflow) 1953-11-16 1954-11-15
FR1118435D FR1118435A (fr) 1953-11-16 1954-11-16 Perfectionnements relatifs aux polyamides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3167753A GB760025A (en) 1953-11-16 1953-11-16 Improvements in or relating to linear polyamides

Publications (1)

Publication Number Publication Date
GB760025A true GB760025A (en) 1956-10-31

Family

ID=38524561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3167753A Expired GB760025A (en) 1953-11-16 1953-11-16 Improvements in or relating to linear polyamides

Country Status (5)

Country Link
BE (1) BE533330A (enrdf_load_stackoverflow)
ES (1) ES218247A1 (enrdf_load_stackoverflow)
FR (1) FR1118435A (enrdf_load_stackoverflow)
GB (1) GB760025A (enrdf_load_stackoverflow)
NL (1) NL83393C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000492A1 (de) * 1977-07-21 1979-02-07 Bayer Ag Transparente Polyamide und deren Verwendung zur Herstellung von Formkörpern

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737257A1 (de) * 1977-08-18 1979-03-01 Bayer Ag Transparente polyamide
DE2855928A1 (de) * 1978-12-23 1980-07-10 Bayer Ag Neue copolyamide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000492A1 (de) * 1977-07-21 1979-02-07 Bayer Ag Transparente Polyamide und deren Verwendung zur Herstellung von Formkörpern

Also Published As

Publication number Publication date
BE533330A (enrdf_load_stackoverflow) 1958-04-11
NL83393C (enrdf_load_stackoverflow) 1956-11-15
FR1118435A (fr) 1956-06-05
ES218247A1 (es) 1955-06-01

Similar Documents

Publication Publication Date Title
ES2008828A6 (es) Procedimiento para la obtencion de poliamidas transparentes termoplasticas.
GB1108190A (en) Novel isocyanate compositions and process
ES414985A1 (es) Procedimiento para la obtencion de poliamidas transparen- tes.
GB749479A (en) New polyamides
ES2010679B3 (es) Productos de transformacion y su aplicacion como catalizadores en la obtencion de plasticos de base de isocianato.
ES8608003A1 (es) Un procedimiento para preparar resinas de esteres vinilicos
GB760025A (en) Improvements in or relating to linear polyamides
ES8100017A1 (es) Un procedimiento mejorado para la obtencion de sales de man-ganeso sobrealcalinizadas.
ES2013836A6 (es) Una composicion acuosa de una sal de amina de un acido fosforico.
ES8104167A1 (es) Procedimiento para la hidroxilacion de 3-cloro-2-metil-pro- peno,1,de monoolefinas o de diolefinas
ES408487A1 (es) Procedimiento de obtencion de poliamidas transparentes.
JPS5218886A (en) Production of amino acids by fermentation process
IL64790A0 (en) Process for the preparation of compounds containing carboxylic acid amide groups,in particular of peptides
GB1177470A (en) Process for the Preparation of beta-Methyl Mercaptopropionaldehyde.
GB989265A (en) Linear copolyamides
ES432891A1 (es) Procedimiento para preparar 2 - hidroximetil - 3 - hidroxi-6 - (1 - hidroxi-2 - t - butilaminoetil) - piridina y sus sales de adicion de acido.
GB1273371A (en) Improvements in partially n-alkylated diphenylmethane bases as new curing agents for epoxy resins
ATE1239T1 (de) Verfahren zur herstellung von 4-amino-5-chlor-1-phenyl-pyridazon-(6).
ES460126A1 (es) Procedimiento para la preparacion de nuevas copoliamidas a base de hexametilen-adipamida.
ES218983A1 (es) PROCEDIMIENTO DE OBTENCIoN DE NUEVAS POLIAMIDAS SINTÉTICAS
ATE126507T1 (de) Verfahren zur herstellung von tertiären carbinolen, die einen aminischen substituenten enthalten.
GB733002A (en) Improvements in or relating to polyamides
GB1379937A (en) Preparation of lysine-containing peptides
GB798004A (en) Polybenzimidazoles and method of preparing the same
GB845494A (en) Improvements in or relating to the production of new resinous condensation products