Patent US4119477A successfully refreshed from Google Patents.
US4119477A
Expired / Lapsed
US
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Size compositions for glass fiber reinforced cementitious products
Assignee: Owens Corning
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Filing: 1977-07-29
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Granted: 1978-10-10
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Expires: 1997-07-29
Abstract
Abstract Elastomeric size compositions for glass fiber reinforced cementitious products are disclosed. These size compositions show strong improvements in all phases of strand integrity with especially improved performance in wet integrity. This in turn improves the strand's workability in a cementitious matrix.
Inventors
- 👤 Eleanor B. Cohen
- 👤 William N. Stassen
- 👤 James C. Wintgens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:50
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/1025; C03C25/103; C03C25/24; C03C25/26; C03C25/28; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/2964
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
93 words
A plurality of filaments, at least a portion of the filaments' surfaces being in contact with the residue produced be evaporating water from an aqueous size composition consisting essentially of the following in weight percent: from 2 to 20% of an elastomer, from 0.05 to 5% of a silane from 0.05 to 5% of acetic acid, and from 0.05 to 5% of an emulsifiable lubricious tertiary fatty acid amine having the formula ##STR1## where R is a fatty acid group and R 2 is a lower alkyl group, and the remainder being water.
Claim 2
Dependent Claim
93 words
A plurality of filaments, at least a portion of the filaments' surfaces being in contact with the residue produced be evaporating water from an aqueous size composition consisting essentially of the following in weight percent: from 2 to 20% of an elastomer, from 0.05 to 5% of a silane from 0.05 to 5% of acetic acid, and from 0.05 to 5% of an emulsifiable lubricious tertiary fatty acid amine having the formula ##STR1## where R is a fatty acid group and R 2 is a lower alkyl group, and the remainder being water.
Claim 3
Dependent Claim
27 words
Glass filaments according to claim 1 wherein the residue comprises from 1.5 to 2.5 weight percent of the total weight of the glass filament and the residue.
Claim 4
Dependent Claim
17 words
Glass filaments according to claim 2 wherein the weight percent of residue ranges from 1.5 to 2.0.
Claim 5
Dependent Claim
17 words
Glass filaments according to claim 1 wherein the glass filament is made up of alkali-resistant glass fibers.
Claim 6
Dependent Claim
14 words
Glass filaments according to claim 1 wherein the elastomer is a synthetic elastomeric material.
Claim 7
Dependent Claim
12 words
Glass filaments according to claim 1 wherein the elastomer is styrene-butadiene rubber.
Claim 8
Dependent Claim
69 words
A sizing composition consisting essentially of the following in weight percent: from 2 to 20% of an elastomer, from 0.05 to 5% of a silane from 0.05 to 5% of acetic acid, and from 0.05 to 5% of an emulsifiable lubricious tertiary fatty acid amine of the formula ##STR2## where R is a fatty acid group and R 2 is a lower alkyl group, and the remainder being water.
Claim 9
Dependent Claim
69 words
A sizing composition consisting essentially of the following in weight percent: from 2 to 20% of an elastomer, from 0.05 to 5% of a silane from 0.05 to 5% of acetic acid, and from 0.05 to 5% of an emulsifiable lubricious tertiary fatty acid amine of the formula ##STR2## where R is a fatty acid group and R 2 is a lower alkyl group, and the remainder being water.
Claim 10
Dependent Claim
15 words
A sizing composition according to claim 7 wherein the elastomer is a synthetic elastomeric material.
Claim 11
Dependent Claim
13 words
A sizing composition according to claim 8 wherein the elastomer is styrene-butadiene rubber.
Claim 12
Dependent Claim
20 words
A size composition according to claim 9 wherein 4 to 10 weight percent of the size composition is the elastomer.
Claim 13
Dependent Claim
36 words
A cementitious product comprising a composite of reinforcing materials and a cementitious matrix wherein one of the reinforcing materials comprises at least one glass fiber strand comprising a plurality of glass filaments according to claim 1.
Claim 14
Dependent Claim
18 words
A cementitious product according to claim 11 wherein the glass filament is made up of alkali-resistant glass fibers.
Claim 15
Dependent Claim
20 words
A cementitious product according to claim 12 wherein the alkali-resistant glass fibers are made from a high zirconia glass composition.
Claim 16
Dependent Claim
15 words
A cementitious product according to claim 11 wherein the elastomer is a synthetic elastomeric material.
Claim 17
Dependent Claim
13 words
A cementitious product according to claim 14 wherein the elastomer is sytrene-butadiene rubber.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-09 | 1982-04-10 | 1982-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-09 | 1986-04-10 | 1986-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-09 | 1990-04-10 | 1990-10-10 | $7700.00 | Window Closed / Lapsed |