Petroleum resins and their production with BF3 catalyst

Details Petroleum resins and their production with BF3 catalyst Petroleum resins and their production with BF3 catalyst

2005-03-15

2005-03-15

Cheung, William (Department: 1713)

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

Synthetic resins

Removing and recycling removed material from an ongoing...

C526S069000, C526S210000, C526S237000, C526S290000

Reexamination Certificate

active

06867267

ABSTRACT:
Petroleum resins are produced using a supported BF3cocatalyst complex. Preferably the cocatalyst is organic such as an alcohol or a carboxylic acid. Use of the catalyst in supported form together with the cocatalyst enables control over both Bronsted and Lewis acidity leading to better control of resin properties. Waste disposal and catalyst handling problems are also overcome.

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