← Back to Patent Explorer
US4032511A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the production of phenol silicate compounds and their condensation products

Assignee: Individual
•
Filing: 1976-03-31
•
Granted: 1977-06-28
•
Expires: 1996-03-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Phenol compounds and silicic acids will chemically react to produce a phenol silicate when heated with a suitable alkali catalyst. The phenol silicate compounds are then chemically reacted with an aldehyde to form a condensation product.

Inventors

  • 👤 David H. Blount

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 14:23
CPC Classifications
C; C08; C08G; C08G77/00; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/06; C08G16/00; C08G16/02; C08G16/0212; C08G16/0218; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3893; C08G18/3895; C08G8/00; C08G8/28; C08G2110/00; C08G2110/0025; C08G2110/0083

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 78 words
The process for the production of phenol silicate compounds and their resinous products by the following steps: (a) mixing about equal parts by weight of silicic acid and a phenol compound; (b) adding an alkali catalyst equal to 1 to 10% by weight of silicic acid and phenol compound; (c) heating said mixture to just below the boiling point of the phenol compound for 15 to 100 minutes while agitating, thereby (d) producing a granular phenol silicate compound.
Claim 2
Dependent Claim 78 words
The process for the production of phenol silicate compounds and their resinous products by the following steps: (a) mixing about equal parts by weight of silicic acid and a phenol compound; (b) adding an alkali catalyst equal to 1 to 10% by weight of silicic acid and phenol compound; (c) heating said mixture to just below the boiling point of the phenol compound for 15 to 100 minutes while agitating, thereby (d) producing a granular phenol silicate compound.
Claim 3
Dependent Claim 39 words
The method of claim 1 wherein the silicic acid is selected from the group consisting of air dried silicic acid gel, moist silicic acid gel, orthosilicic acid, metasilicic acid, polysilicoformic acid, orthosilicoformic acid, silicoformic acid, monosilandiol and mixtures thereof.
Claim 4
Dependent Claim 41 words
The method of claim 1 wherein the phenol compound is selected from the group consisting of phenol, p-cresol, o-cresol, m-cresol, cresylic acid, xylenols, resorcinol, cashew-nut shell liquids, anocordol, p-tert-butyl phenol, cardol, anacardic acid, Bisphenol A, creosote oil, 2,6-dimethylphenol, and mixtures thereof.
Claim 5
Dependent Claim 29 words
The method of claim 1 wherein the alkali catalyst is selected from the group consisting of sodium carbonate, potassium hydroxide, sodium hydroxide, potassium carbonate, sodium metasilicate and mixtures thereof.
Claim 6
Dependent Claim 53 words
The method of claim 1 including the further steps of: (a) adding an aldehyde in the ratio of 0.5 to 3 mols to each mol of the phenol compound; (b) heating said mixture to 70° to 110° C. for 20 to 80 minutes while agitating, thereby (c) producing a poly(aldehyde phenol silicate) resin.
Claim 7
Dependent Claim 24 words
The method of claim 5 wherein the aldehyde is selected from the group consisting of formaldehyde, acetaldehyde, butylaldehyde, acrolein, paraformaldehyde, furfural, and mixtures thereof.
Claim 8
Dependent Claim 28 words
The method of claim 5 including the further step of adding an acid catalyst until the pH is 4 to 6 following step (a) and before step (b).
Claim 9
Dependent Claim 35 words
The method of claim 7 wherein the acid catalyst is selected from the group consisting of sulfuric acid, hydrochloric acid, acetic acid, formic acid, oxalic acid, aromatic sulfonic acid, sodium hydrogen sulfate and mixtures thereof.
Claim 10
Dependent Claim 11 words
The method of claim 1 wherein the phenol compound is phenol.
Claim 11
Dependent Claim 14 words
The method of claim 5 wherein the aldehyde is formaldehyde in an aqueous solution.
Claim 12
Dependent Claim 207 words
The process for the production of phenol silicate compounds and their resinous products by the following steps: (a) providing silicic acid selected from the group consisting of air dried silicic acid gel, moist silicic acid gel, orthosilicic acid, metasilicic acid, polysilicoformic acid, orthosilicoformic acid, silicoformic acid, monosilandiol and mixtures thereof; (b) providing a phenol compound selected from the group consisting of phenol, p-cresol, o-cresol, m-cresol, cresylic acid, xylenols, resorcinol, cashew nut shell liquids, anacordol, p-tert-butyl phenol, p-tert-amyl phenol, p-phenyl cardol, anacardic acid, Bisphenol A, cresote oil, 2,6-dimethylphenol and mixtures thereof; (c) mixing said silicic acid and phenol compound in about equal parts by weight; d. adding an alkali catalyst selected from the group consisting of sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, and mixtures thereof, equal to 1 to 10% by weight of silicic acid and phenol compounds; (d) (e) adding an aldehyde to said mixture ratio of 0.5 to 3 mols to each mol of the phenol compound, and the aldehyde is selected from the group consisting of formaldehyde in an aqueous solution, acetaldehyde, butylaldehyde, acrolein, paraformaldehyde, furfural, and mixtures thereof; (f) heating said mixture to 70° to 110° C. for 20 to 80 minutes while agitating, thereby (g) producing a poly(aldehyde phenol silicate) resin.
Claim 13
Dependent Claim 207 words
The process for the production of phenol silicate compounds and their resinous products by the following steps: (a) providing silicic acid selected from the group consisting of air dried silicic acid gel, moist silicic acid gel, orthosilicic acid, metasilicic acid, polysilicoformic acid, orthosilicoformic acid, silicoformic acid, monosilandiol and mixtures thereof; (b) providing a phenol compound selected from the group consisting of phenol, p-cresol, o-cresol, m-cresol, cresylic acid, xylenols, resorcinol, cashew nut shell liquids, anacordol, p-tert-butyl phenol, p-tert-amyl phenol, p-phenyl cardol, anacardic acid, Bisphenol A, cresote oil, 2,6-dimethylphenol and mixtures thereof; (c) mixing said silicic acid and phenol compound in about equal parts by weight; d. adding an alkali catalyst selected from the group consisting of sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, and mixtures thereof, equal to 1 to 10% by weight of silicic acid and phenol compounds; (d) (e) adding an aldehyde to said mixture ratio of 0.5 to 3 mols to each mol of the phenol compound, and the aldehyde is selected from the group consisting of formaldehyde in an aqueous solution, acetaldehyde, butylaldehyde, acrolein, paraformaldehyde, furfural, and mixtures thereof; (f) heating said mixture to 70° to 110° C. for 20 to 80 minutes while agitating, thereby (g) producing a poly(aldehyde phenol silicate) resin.
Claim 14
Independent Claim 49 words
The method of claim II wherein in step (f) an acid selected from the group consisting of sulfuric acid, hydrochloric acid, acetic acid, formic acid, oxalic acid, aromatic sulfonic acid, sodium hydrogen sulfate and mixtures thereof, is added to said mixture until the pH is about 3 to 5.
Claim 15
Dependent Claim 30 words
The method of claim 1 wherein the silicic acid is selected from the group consisting of air dried silicic acid gel, moist silicic acid gel, orthosilicic acid and metasilicic acid.
Claim 16
Dependent Claim 25 words
The method of claim 1 wherein the alkali catalyst is an alkali metal carbonate selected from the group consisting of sodium carbonate and potassium carbonate.
Claim 17
Dependent Claim 30 words
The method of claim 11 wherein the silicic acid is selected from the group consisting of air dried silicic acid gel, moist silicic acid gel, orthosilicic acid and metasilicic acid.
Claim 18
Dependent Claim 25 words
The method of claim 11 wherein the alkali catalyst is an alkali metal carbonate selected from the group consisting of sodium carbonate and potassium carbonate.

References Cited (Backward Citations)

US3937782A Cited
US3956466A Cited
US3960747A Cited
US3962067A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-06-27 1980-12-27 1981-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-06-27 1984-12-27 1985-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-06-27 1988-12-27 1989-06-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag