1.    Biodegradable Polymers And Copolymers

1.1.      Poly((R)-3-Hydroxyalkanoate)s (PHA)s, Natural Polymers

1.2.      Low Molecular Weight PHAs (Lmw PHA)  

2.    Biodegradable Block Copolymers

2.1.      PHB-B-PEG Block Copolymers (3-201)

2.2.      PHB/V-B-PEG Block Copolymers (3-202)

2.3.      PHB-B-PEG-B-PHB BAB Type Triblock Copolymers (4-201)

2.4.      PHB/V-B-PEG-B-PHB/V  BAB Type Triblock Copolymers (4-202)

2.5.      Block Copolymers Of Polyoxyethylene  And Poly(Caprolactone) (PEG-b-PCL or PCL-b-PEG) (5-01)

2.6.      PCL-b-PEG-b-PCL, BAB type triblock copolymers) (5-02)

2.7.      Block Copolymers Of Polyoxyethylene  And Poly(Lactide) (PEG-b-PLA or PLA-b-PEG) (6-01)

2.8.      PLA-b-PEG-b-PLA, BAB type triblock copolymers (6-02)  

3.    Oxirane Block Copolymers

3.1.      PEO/PPO AB Type Diblock Copolymers (PEO-b-PPO or PPO-b-PEO) (7-01)

3.2.      PEO/PPO BAB Type Triblock Copolymer (7-03)

3.3.      PEO/PBO AB Type Diblock Copolymers (PEO-b-PBO or PBO-b-PEO) (8-01)

3.4.      PEO/PBO BAB Type Triblock Copolymers (8-03)

3.5.      PEO/PSO AB Type Diblock Copolymers (PEO-b-PSO or PSO-b-PEO) (9-01) 

3.6.      PEO/PSO BAB Type Triblock Copolymers (9-03)  

4.    Cyclic Polymers And Copolymers

4.1.      Cyclic Poly(Oxyethylene) With Acetal Linkage (10-01)

4.2.      Cyclic Poly(Oxyethylene) Large Crown Ether (10-02)

4.3.      Cyclic Block Copolymers Of Ethylene Oxide And 1,2-Butylene Oxide (10-03)

4.4.      Cyclic Block Copolymers Of Ethylene Oxide And Propylene Oxide (10-04)