Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for producing industrial asphalts without air-blowing using an organic sulfonic acid

Method for producing industrial asphalts without air-blowing using an organic sulfonic acid

US Patent 4713117 · Granted Dec 15, 1987

Estimated economic value: $19,619,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Industrial asphalts1994
Industrial asphalts1992
Method for producing industrial asphalts1987
Method for producing industrial asphalts without air-blowing using zinc chloride1986
Method for producing industrial asphalts without air-blowing using maleic anhydr1986
Method for producing industrial asphalts without air-blowing using hydrobromic a1986
Method for producing industrial asphalts without air-blowing using phytic acid1986
Method for producing industrial asphalts1985
Open-graded asphalt emulsion mixes1985
Method for preparing industrial grade asphalt using an asphalt-polymer blend1984
Asphalt/ethylene-vinyl acetate copolymer composition for air-blowing1984
Method for depositing asphalt1983