US4005020A — Paraffin removing compositions

Claim 1

Independent Claim 203 words

A composition for removing depositions of paraffin wax, asphaltic and bituminous organic solids and similar materials comprising a basic solution of oxyalkylated materials wherein (A) at least one of said oxyalkylated materials is an oxyalkylated amine and one other of said oxyalkylated materials is (B) a sulfated oxyalkylated fatty alcohol or salt thereof, which composition contains in addition to (A) and (B) a mixture of non-ionic oxyalkylates one of which is (C) an oxyalkylated alkyl phenol, each alkyl group having 1 to 18 carbon atoms, and the other of which is (D) ethylene glycol monobutyl ether, said oxyalkylated amine (A) being the product of oxyalkylation of an oxyalkylatable amine containing as the oxyalkylatable groups an oxyalkylatable amino or hydroxyl group, the amine being selected from the group consisting of 1. monoamines containing a monovalent hydrocarbon radical, a furyl, pyranyl, hydrogenated furyl or hydrogenated pyranyl radical attached to the amino nitrogen, any remaining valences of the amino nitrogen being satisfied by hydrogen, 2. piperidine, piperazine, or morpholine, 3. a polyamine of the formula ##STR26##where R" is hydrogen, alkyl, cycloalkyl, aryl or aralkyl, R' is a divalent alkylene radical of up to 6 carbon atoms and x is a number from 0 to 8, and

Claim 2

Dependent Claim 203 words

A composition for removing depositions of paraffin wax, asphaltic and bituminous organic solids and similar materials comprising a basic solution of oxyalkylated materials wherein (A) at least one of said oxyalkylated materials is an oxyalkylated amine and one other of said oxyalkylated materials is (B) a sulfated oxyalkylated fatty alcohol or salt thereof, which composition contains in addition to (A) and (B) a mixture of non-ionic oxyalkylates one of which is (C) an oxyalkylated alkyl phenol, each alkyl group having 1 to 18 carbon atoms, and the other of which is (D) ethylene glycol monobutyl ether, said oxyalkylated amine (A) being the product of oxyalkylation of an oxyalkylatable amine containing as the oxyalkylatable groups an oxyalkylatable amino or hydroxyl group, the amine being selected from the group consisting of 1. monoamines containing a monovalent hydrocarbon radical, a furyl, pyranyl, hydrogenated furyl or hydrogenated pyranyl radical attached to the amino nitrogen, any remaining valences of the amino nitrogen being satisfied by hydrogen, 2. piperidine, piperazine, or morpholine, 3. a polyamine of the formula ##STR26##where R" is hydrogen, alkyl, cycloalkyl, aryl or aralkyl, R' is a divalent alkylene radical of up to 6 carbon atoms and x is a number from 0 to 8, and

Claim 3

Dependent Claim 79 words

a monoacylated polyamine of the formula RCONHR'(NR') x -NH 2 where RCO is the acyl group of a 10 to 18 carbon fatty acid or is abietyl CO, and R' and x are as defined in (3) above, or such an amine containing a hydroxyl group and wherein the range of proportions of the components is as follows: A. oxyalkylated amine, 15%-65% B. sulfated oxyalkylated fatty alcohol, 15%-50% C. oxyalkylated phenol, 15%-50%, and D. ethylene glycol monobutyl ether, 5%-30%.

Claim 4

Dependent Claim 79 words

a monoacylated polyamine of the formula RCONHR'(NR') x -NH 2 where RCO is the acyl group of a 10 to 18 carbon fatty acid or is abietyl CO, and R' and x are as defined in (3) above, or such an amine containing a hydroxyl group and wherein the range of proportions of the components is as follows: A. oxyalkylated amine, 15%-65% B. sulfated oxyalkylated fatty alcohol, 15%-50% C. oxyalkylated phenol, 15%-50%, and D. ethylene glycol monobutyl ether, 5%-30%.

Claim 5

Dependent Claim 13 words

The composition of claim 1 where the oxyalkylated amine is an oxyalkylated alkanolamine.

Claim 6

Dependent Claim 28 words

The composition of claim 2 where the alkanolamine is tris (hydroxymethyl) amino methane and the sulfate group is derived from treating the oxyalkylated fatty alcohol with sulfamic acid.

Claim 7

Dependent Claim 129 words

A composition for removing depositions of paraffin wax, asphaltic and bituminous organic solids and similar materials comprising a basic solution of an oxyalkylated alcohol of up to 18 carbon atoms which is an oxyalkylated alkanol, an oxyalkylated alkenol or an oxyalkylated alkane polyol, an oxyalkylated alkyl phenol, each alkyl group having from 1 to 18 carbon atoms, a sulfated oxyalkylated fatty alcohol and an oxyalkylated tris (hydroxymethyl) amino methane, the alcohol which is oxyalkylated to form said oxyalkylated alcohol of up to 18 carbon atoms being hydrocarbon apart from the alcoholic hydroxyl, and wherein the range of proportions of the components is: oxyalkylated alkyl phenol, 15 to 50%, oxyalkylated alcohol of up to 18 carbon atoms, 5-30%, oxyalkylated tris (hydroxymethyl) amino methane, 15-65%, and sulfated oxyalkylated fatty alcohol, 15-50%.

Claim 8

Dependent Claim 129 words

A composition for removing depositions of paraffin wax, asphaltic and bituminous organic solids and similar materials comprising a basic solution of an oxyalkylated alcohol of up to 18 carbon atoms which is an oxyalkylated alkanol, an oxyalkylated alkenol or an oxyalkylated alkane polyol, an oxyalkylated alkyl phenol, each alkyl group having from 1 to 18 carbon atoms, a sulfated oxyalkylated fatty alcohol and an oxyalkylated tris (hydroxymethyl) amino methane, the alcohol which is oxyalkylated to form said oxyalkylated alcohol of up to 18 carbon atoms being hydrocarbon apart from the alcoholic hydroxyl, and wherein the range of proportions of the components is: oxyalkylated alkyl phenol, 15 to 50%, oxyalkylated alcohol of up to 18 carbon atoms, 5-30%, oxyalkylated tris (hydroxymethyl) amino methane, 15-65%, and sulfated oxyalkylated fatty alcohol, 15-50%.

Claim 9

Dependent Claim 11 words

The composition of claim 4 which contains ethylene glycol monobutyl ether.

Claim 10

Dependent Claim 12 words

The composition of claim 5 where the basic material is trisodium phosphate.

Claim 11

Dependent Claim 74 words

The composition of claim 6 where the oxyalkylated phenol is obtained by oxyalkylating nonyl phenol with 10 moles of ethylene oxide, the oxyalkylated tris (hydroxymethyl) amino methane is obtained by reacting 76 moles of propylene oxide and 33 moles of ethylene oxide with the tris (hydroxymethyl) amino methane, and the sulfated oxyalkylated alcohol is the sulfation product of the product of reaction of 4 moles of ethylene oxide with a C 8-10 fatty alcohol.

Claim 12

Dependent Claim 12 words

The composition of claim 5 where the basic material is an amine.

Claim 13

Dependent Claim 11 words

The composition of claim 8 where the basic material is ethanolamine.

Claim 14

Dependent Claim 24 words

A process of removing paraffin deposits from oil wells, pipe lines and conduits which comprises contacting the deposits with the composition of claim 1.

Claim 15

Dependent Claim 24 words

A process for removing paraffin deposits from oil wells, pipe lines and conduits which comprises contacting the deposits with the composition of claim 4.

Claim 16

Dependent Claim 24 words

The process of removing paraffin deposits from oil wells, pipe lines and conduits which comprises contacting the deposits with the composition of claim 6.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-01-25	1980-07-26	1981-01-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-01-25	1984-07-26	1985-01-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-01-25	1988-07-26	1989-01-25	$7700.00	Window Closed / Lapsed

Paraffin removing compositions

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