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US4828619A Expired / Lapsed US ⏱️ 0.0 years remaining

Air-entraining agent for flyash cement composition

Assignee: Astellas Pharma Inc
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Filing: 1988-02-12
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Granted: 1989-05-09
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Expires: 2008-02-12
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Abstract

Abstract The invention relates to a composition comprising flyash cement and an air-entraining agent selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters, polyethylene glycol fatty acid esters, polyoxyethylene pentaerythritol fatty acid esters and polyoxyethylene sorbitan fatty acid esters, and a fatty acid or salt thereof.

Inventors

  • 👤 Souji Matsushita
  • 👤 Setsuro Shimizu
  • 👤 Toru Takeuchi
  • 👤 Susumi Tahara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 23:43
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/28; C04B24/32; C04B24/08; Y; Y10; Y10S; Y10S106/00; Y10S106/01

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 468 words
Composition comprising flyash cement and an air-entraining agent for flyash cement compositions which comprises a compound A selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters of the general formula: ##STR11## wherein k is a whole number of 2 to 8; n 1 1 , n 1 2 , . . . and n 1 k each is a whole number of 0 to 40; Z 1 1 , Z 1 2 . . . and Z 1 k each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 1 1 , Z 1 2 . . . and Z 1 k is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 1 1 +n 1 2 + . . . +n 1 k is a whole number of 10 to 60; polyoxyethylene pentaerythritol fatty acid esters of the general formula: ##STR12## wherein n 3 1 , n 3 2 , n 3 3 and n 3 4 each is a whole number of 0 to 40; Z 3 1 , Z 3 2 , Z 3 3 and Z 3 4 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 3 1 , Z 3 2 , Z 3 3 and Z 3 4 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 3 1 +n 3 2 +n 3 3 +n 3 4 is a whole number of 10 to 60; and polyoxyethylene sorbitan fatty acid esters of the general formula: ##STR13## wherein n 4 1 , n 4 2 , n 4 3 and n 4 4 each is a whole number of 0 to 40; Z 4 1 , Z 4 2 , Z 4 3 and Z 4 4 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 4 1 , Z 4 2 , Z 4 3 and Z 4 4 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 4 1 +n 4 2 +n 4 3 +n 4 4 is a whole number of 10 to 60; and a compound B which is a fatty acid of 10 to 30 carbon atoms or a salt thereof.
Claim 2
Dependent Claim 468 words
Composition comprising flyash cement and an air-entraining agent for flyash cement compositions which comprises a compound A selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters of the general formula: ##STR11## wherein k is a whole number of 2 to 8; n 1 1 , n 1 2 , . . . and n 1 k each is a whole number of 0 to 40; Z 1 1 , Z 1 2 . . . and Z 1 k each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 1 1 , Z 1 2 . . . and Z 1 k is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 1 1 +n 1 2 + . . . +n 1 k is a whole number of 10 to 60; polyoxyethylene pentaerythritol fatty acid esters of the general formula: ##STR12## wherein n 3 1 , n 3 2 , n 3 3 and n 3 4 each is a whole number of 0 to 40; Z 3 1 , Z 3 2 , Z 3 3 and Z 3 4 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 3 1 , Z 3 2 , Z 3 3 and Z 3 4 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 3 1 +n 3 2 +n 3 3 +n 3 4 is a whole number of 10 to 60; and polyoxyethylene sorbitan fatty acid esters of the general formula: ##STR13## wherein n 4 1 , n 4 2 , n 4 3 and n 4 4 each is a whole number of 0 to 40; Z 4 1 , Z 4 2 , Z 4 3 and Z 4 4 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 4 1 , Z 4 2 , Z 4 3 and Z 4 4 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 4 1 +n 4 2 +n 4 3 +n 4 4 is a whole number of 10 to 60; and a compound B which is a fatty acid of 10 to 30 carbon atoms or a salt thereof.
Claim 3
Dependent Claim 158 words
The composition of claim 1, in which the compound A is polyoxyethylene polyalcohol fatty acid esters of the general formula: ##STR14## wherein k is a whole number of 2 to 8; n 1 1 , n 1 2 , . . . and n 1 k each is a whole number of 0 to 40; Z 1 1 , Z 1 2 . . . and Z 1 k each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 1 1 , Z 1 2 . . . and Z 1 k is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 1 1 +n 1 2 + . . . +n 1 k is a whole number of 10 to 60.
Claim 4
Dependent Claim 137 words
The composition of claim 2, in which the compound A is a mixture of a polyoxyethylene sorbitol dioleate of the formula: ##STR15## wherein two of Z 1 1 , Z 1 2 , . . . Z 1 6 each is an oleic acid residue, with the remaining four being hydrogen atoms, and n 1 1 +n 1 2 + . . . +n 1 6 is equal to 40 and a polyoxyethylene sorbitol trioleate of the same formula wherein three of Z 1 1 , Z 1 2 , . . . Z 1 6 each is an oleic acid residue, with the remaining three being hydrogen atoms, and n 1 1 +n 1 2 + . . . +n 1 6 is equal to 40, and the compound B is tall oil fatty acid potassium.
Claim 5
Dependent Claim 134 words
The composition of claim 2, in which the compound A is a mixture of a polyoxyethylene sorbitol dioleate of the formula: ##STR16## wherein two of Z 1 1 , Z 1 2 , . . . Z 1 6 each is an oleic acid residue, with the remaining four being hydrogen atoms, and n 1 1 +n 1 2 + . . . +n 1 6 is equal to 40 and a polyoxyethylene sorbitol trioleate of the same formula wherein three of Z 1 1 , Z 1 2 , . . . Z 1 6 each is an oleic acid residue, with the remaining three being hydrogen atoms, and n 1 1 +n 1 2 + . . . +n 1 6 is equal to 40, and the compound B is potassium oleate.
Claim 6
Dependent Claim 72 words
The composition of claim 2, in which the compound A is a polyoxyethylene glycerol dioleate of the formula: ##STR17## wherein two of Z 1 1 , Z 1 2 , and Z 1 3 each is an oleic acid residue, with the remaining one being a hydrogen atom, and n 1 1 +n 1 2 +n 1 3 is equal to 31, and the compound B is tall oil fatty acid potassium.
Claim 7
Dependent Claim 150 words
The composition of claim 1, in which the compound A is polyoxyethylene pentaerythritol fatty acid esters of the general formula: ##STR18## wherein n 3 1 , n 3 2 , n 3 3 and n 3 4 each is a whole number of 0 to 40; Z 3 1 , Z 3 2 , Z 3 3 and Z 3 4 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 3 1 , Z 3 2 , Z 3 3 and Z 3 4 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 3 1 +n 3 2 +n 3 3 +n 3 4 is a whole number of 10 to 60.
Claim 8
Dependent Claim 145 words
The composition of claim 6, in which the compound A is a mixture of a polyoxyethylene pentaerythritol monooleate of the formula: ##STR19## wherein n 3 1 is 0; Z 3 1 is an oleic acid residue; Z 3 2 , Z 3 3 and Z 3 4 each is a hydrogen atom; and n 3 2 +n 3 3 +n 3 4 is equal to 26 and a polyoxyethylene pentaerythritol dioleate of the same formula wherein n 3 1 and n 3 2 each is 0; Z 3 1 and Z 3 2 each is an oleic acid residue; n 3 3 +n 3 4 is equal to 26; and Z 3 3 and Z 3 4 each is a hydrogen atom, which contains an average of 1.6 moles of oleic acid residues per mole, and the compound B is tall oil fatty acid potassium.
Claim 9
Dependent Claim 150 words
The composition of claim 1, in which the compound A is polyoxyethylene sorbitan fatty acid esters of the general formula: ##STR20## wherein n 4 1 , n 4 2 , n 4 3 and n 4 4 each is a whole number of 0 to 40; Z 4 1 , Z 4 2 , Z 4 3 and Z 4 4 each is a hydrogen atom or a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms, provided that at least one of Z 4 1 , Z 4 2 , Z 4 3 and Z 4 4 is a residue group available on elimination of a hydroxy group from a fatty acid of 10 to 30 carbon atoms; and n 4 1 +n 4 2 +n 4 3 +n 4 4 is a whole number of 10 to 60.
Claim 10
Dependent Claim 51 words
The composition of claim 8, in which the compound A is a compound of the formula: ##STR21## wherein n 4 2 is 43 and Z 4 1 , Z 4 3 and Z 4 4 each is an oleic acid residue, and the compound B is tall oil fatty acid potassium.
Claim 11
Dependent Claim 52 words
The composition of claim 8, in which the compound A is a polyoxyethylene sorbitan monostearate of the formula: ##STR22## wherein n 4 1 +n 4 2 +n 4 3 is equal to 35 and Z 4 4 is a stearic acid residue, and the compound B is tall oil fatty acid potassium.

References Cited (Backward Citations)

US3537869A Cited
US4207115A Cited
US4360452A Cited
US4434257A Cited
WO1985001500A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-05-08 1992-11-07 1993-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-05-08 1996-11-07 1997-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-05-08 2000-11-07 2001-05-09 $7700.00 Window Closed / Lapsed

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