GB1372182A - Photodegradable polyesters - Google Patents

Photodegradable polyesters

Info

Publication number
GB1372182A
GB1372182A GB3423870A GB3423870A GB1372182A GB 1372182 A GB1372182 A GB 1372182A GB 3423870 A GB3423870 A GB 3423870A GB 3423870 A GB3423870 A GB 3423870A GB 1372182 A GB1372182 A GB 1372182A
Authority
GB
United Kingdom
Prior art keywords
photodegradable
polyesters
photodegradable polyesters
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
GB3423870A
Other languages
English (en)
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.)
University of Toronto
Original Assignee
University of Toronto
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 University of Toronto filed Critical University of Toronto
Priority to GB3423870A priority Critical patent/GB1372182A/en
Priority to CA110,640A priority patent/CA975491A/en
Priority to BE766161A priority patent/BE766161A/xx
Priority to FR7114574A priority patent/FR2086377A1/fr
Priority to DE19712120336 priority patent/DE2120336A1/de
Priority to JP2727271A priority patent/JPS535357B1/ja
Priority to NL7105713A priority patent/NL7105713A/xx
Priority to IT2374071A priority patent/IT1053681B/it
Priority to IL37289A priority patent/IL37289A0/xx
Priority to CH1028371A priority patent/CH552652A/fr
Priority to ES393233A priority patent/ES393233A1/es
Priority to DD156501A priority patent/DD97218A5/xx
Priority to SU1683103A priority patent/SU372822A3/ru
Publication of GB1372182A publication Critical patent/GB1372182A/en
Priority to US05/554,451 priority patent/US4042568A/en
Priority to US05/795,800 priority patent/US4145516A/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
    • C08G85/00—General processes for preparing compounds provided for in this subclass
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Polyamides (AREA)
GB3423870A 1970-04-27 1970-07-15 Photodegradable polyesters Expired GB1372182A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GB3423870A GB1372182A (en) 1970-07-15 1970-07-15 Photodegradable polyesters
CA110,640A CA975491A (en) 1970-04-27 1971-04-19 Photodegradable polyamide compositions
BE766161A BE766161A (fr) 1970-04-27 1971-04-22 Compositions photodegradables de polymeres de condensation
FR7114574A FR2086377A1 (en) 1970-04-27 1971-04-23 Photo-degradable copolymers for packaging
DE19712120336 DE2120336A1 (de) 1970-04-27 1971-04-26 Fotoverwitterbares Kondensationspolymermaterial
IT2374071A IT1053681B (it) 1970-04-27 1971-04-27 Composizione fotodegradabile di polimeri di condensazione
NL7105713A NL7105713A (es) 1970-04-27 1971-04-27
JP2727271A JPS535357B1 (es) 1970-04-27 1971-04-27
IL37289A IL37289A0 (en) 1970-07-15 1971-07-11 Photodegradable condensation polymer composition
CH1028371A CH552652A (fr) 1970-07-15 1971-07-13 Utilisation pour la fabrication de materiel d'emballage d'un copolymere de condensation.
ES393233A ES393233A1 (es) 1970-07-15 1971-07-14 Procedimiento de obtencion de composiciones poliaminas fo- todegradables.
DD156501A DD97218A5 (es) 1970-07-15 1971-07-14
SU1683103A SU372822A3 (es) 1970-07-15 1971-07-15
US05/554,451 US4042568A (en) 1970-04-27 1975-03-03 Photodegradable polyamide compositions
US05/795,800 US4145516A (en) 1970-04-27 1977-05-11 Photodegradable polyurethane compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3423870A GB1372182A (en) 1970-07-15 1970-07-15 Photodegradable polyesters

Publications (1)

Publication Number Publication Date
GB1372182A true GB1372182A (en) 1974-10-30

Family

ID=10363151

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3423870A Expired GB1372182A (en) 1970-04-27 1970-07-15 Photodegradable polyesters

Country Status (6)

Country Link
CH (1) CH552652A (es)
DD (1) DD97218A5 (es)
ES (1) ES393233A1 (es)
GB (1) GB1372182A (es)
IL (1) IL37289A0 (es)
SU (1) SU372822A3 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756946A (en) * 1978-10-16 1988-07-12 P. L. G. Research Limited Plastic material mesh structure
US5156495A (en) 1978-10-16 1992-10-20 P. L. G. Research Limited Plastic material mesh structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756946A (en) * 1978-10-16 1988-07-12 P. L. G. Research Limited Plastic material mesh structure
US5156495A (en) 1978-10-16 1992-10-20 P. L. G. Research Limited Plastic material mesh structure
US5419659A (en) 1978-10-16 1995-05-30 P.L.G. Research Limited Plastic material mesh structure

Also Published As

Publication number Publication date
ES393233A1 (es) 1973-08-01
SU372822A3 (es) 1973-03-01
CH552652A (fr) 1974-08-15
IL37289A0 (en) 1971-10-20
DD97218A5 (es) 1973-04-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees