Hydroxy ethyl bibenzoate

Details Hydroxy ethyl bibenzoate Hydroxy ethyl bibenzoate

1993-02-18

1994-12-20

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528275, 528279, 528283, 528298, 528300, 528301, 528302, 528307, 528308, 5283086, 525437, 525444, 524431, 524435, 524462, 524783, 524784, 524792, C08G 6302

Patent

active

053747070

ABSTRACT:
New compounds including bis-.beta.-hydroxy ethyl bibenzoate containing less than 2.5%, and preferably less than 1%, diethylene glycol and a process for the production of the bis-.beta.-hydroxy ethyl bibenzoate by the condensation of 4,4'-biphenyl dicarboxylic acid and ethylene glycol at low temperature and pressure in the presence of a catalyst are disclosed. Use of the compounds to produce polyesters is also disclosed.

REFERENCES:
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patent: 3941752 (1976-03-01), Kleiner et al.
patent: 3969437 (1976-07-01), Shim
patent: 4022826 (1977-05-01), Lohmer et al.
patent: 4034141 (1977-07-01), Duffy et al.
patent: 4204070 (1980-05-01), Suzuki et al.
patent: 4365054 (1982-12-01), Stabley, Jr.
patent: 4440924 (1984-04-01), Kuze et al.
patent: 4501878 (1985-02-01), Adams
patent: 4656241 (1987-04-01), Iida et al.
patent: 5116938 (1992-05-01), Engel-Badar et al.

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