Vividol is a proprietry GAF developer, and part of the Vivi series of chemicals, Vividol, Vivistop, and Vivifix.

According to the description Vividol is a universal developer for roll and sheet film as well as papers.

Interesting note on storage life:

Unopened can - indefnite
Solution in tank with floating lid - 1 month
Solution in completely filled bottle - 6 months

The description does not provide dilution details and refers you to the instructions on the can.

Source Page 426 1978 Version of the PhotoLan index.

Regards

- Mike