chemicals and chemical preparations for use in conjunction with paving and roofing grade bituminous materials, emulsions, emulsifiers, anti-strip, cold patch, shingles, surfactants, cleaners and release aids, prime coat, and chemicals and chemical preparations used for applications related to asphalt, oilfield, and construction; all of the foregoing excluding aerogels

'aerogel':50 'aid':28 'anti':19 'anti-strip':18 'applic':38 'asphalt':41 'bitumin':14 'chemic':1,3,32,34 'cleaner':25 'coat':30 'cold':21 'conjunct':8 'construct':44 'emuls':16 'emulsifi':17 'exclud':49 'forego':48 'grade':13 'materi':15 'oilfield':42 'patch':22 'pave':10 'prepar':4,35 'prime':29 'relat':39 'releas':27 'roof':12 'shingl':23 'strip':20 'surfact':24 'use':6,36

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