(WO9518846-A1)      Refrigerant compsns. for use as substitutes for R-12 in R-12 refrigeration apparatus, comprise: (A) (i) 61-65 mol.% of R-134a; (ii) 28-32 mol.% of R-124; and (iii) 4-9 mol.% of n-butane; or (B) (i) 53-57 mol.% of R-134a; (ii) 35-59 mol.% of R-124; and (iii) 6-10 mol.% of n-butane.    USE -   Used as replacement for an R-12 refrigerant, typically utilised in automobile air conditioning systems.    ADVANTAGE -   The provided refrigerant compsns. are environmentally safe, have material, oil and equipment compatibility, non-flammability, non-toxicity, a high coefficient of performance and sufficiently reasonable commercial costs.    (JP9507516-W)      Refrigerant compsns. for use as substitutes for R-12 in R-12 refrigeration apparatus, comprise: (A) (i) 61-65 mol.% of R-134a; (ii) 28-32 mol.% of R-124; and (iii) 4-9 mol.% of n-butane; or (B) (i) 53-57 mol.% of R-134a; (ii) 35-59 mol.% of R-124; and (iii) 6-10 mol.% of n-butane.    USE -   Used as replacement for an R-12 refrigerant, typically utilised in automobile air conditioning systems.    ADVANTAGE -   The provided refrigerant compsns. are environmentally safe, have material, oil and equipment compatibility, non-flammability, non-toxicity, a high coefficient of performance and sufficiently reasonable commercial costs.    (RU2119937-C1)      Refrigerant compsns. for use as substitutes for R-12 in R-12 refrigeration apparatus, comprise: (A) (i) 61-65 mol.% of R-134a; (ii) 28-32 mol.% of R-124; and (iii) 4-9 mol.% of n-butane; or (B) (i) 53-57 mol.% of R-134a; (ii) 35-59 mol.% of R-124; and (iii) 6-10 mol.% of n-butane.    USE -   Used as replacement for an R-12 refrigerant, typically utilised in automobile air conditioning systems.    ADVANTAGE -   The provided refrigerant compsns. are environmentally safe, have material, oil and equipment compatibility, non-flammability, non-toxicity, a high coefficient of performance and sufficiently reasonable commercial costs.    (CN1142243-A)      Refrigerant compsns. for use as substitutes for R-12 in R-12 refrigeration apparatus, comprise: (A) (i) 61-65 mol.% of R-134a; (ii) 28-32 mol.% of R-124; and (iii) 4-9 mol.% of n-butane; or (B) (i) 53-57 mol.% of R-134a; (ii) 35-59 mol.% of R-124; and (iii) 6-10 mol.% of n-butane.    USE -   Used as replacement for an R-12 refrigerant, typically utilised in automobile air conditioning systems.    ADVANTAGE -   The provided refrigerant compsns. are environmentally safe, have material, oil and equipment compatibility, non-flammability, non-toxicity, a high coefficient of performance and sufficiently reasonable commercial costs.