Vaseline is a brand of petroleum jelly

Petroleum jelly

Petroleum jelly, petrolatum, white petrolatum or soft paraffin, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons , originally promoted as a topical ointment for its healing properties...

 based products owned by Anglo-Dutch company Unilever

Unilever

Unilever is a British-Dutch multinational corporation that owns many of the world's consumer product brands in foods, beverages, cleaning agents and personal care products....

. Products include plain petroleum jelly and a selection of skin creams, soaps, lotions, cleansers, deodorants and personal lubricant

Personal lubricant

Personal lubricants are specialized lubricants to reduce friction between body parts, or between body parts and other objects...

s.

The Vaseline name is considered generic in Portuguese and Spanish speaking countries, where the Unilever products are called Vasenol.
The first known reference to the name Vaseline was by the inventor of petroleum jelly, Robert Chesebrough

Robert Chesebrough

Sir Robert Augustus Chesebrough, was a chemist and the inventor of petroleum jelly, which he trade-named as Vaseline. In 1875 he founded the Chesebrough Manufacturing Company that in 1955 became Chesebrough-Ponds, a leading manufacturer of personal care products. Chesebrough patented the process...

 in his U.S.