US4197228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnating composition
Assignee: Owens Corning
•
Filing: 1978-04-03
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Granted: 1980-04-08
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Expires: 1998-04-03
Abstract
Abstract An impregnating composition used in the treatment of glass fibers to provide a good bonding relationship between glass fibers and elastomeric materials in the manufacture of glass fiber reinforced elastomeric products formed of a resorcinol-aldehyde resin, a butadiene polymer, a wax and a copolymer of butadiene and vinyl pyridine.
Inventors
- 👤 Kingso C. Lin
- 👤 Donn R. Vermilion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:24
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C08L; C08L91/00; C08L91/06; C09; C09J; C09J109/00; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249948
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
53 words
An impregnating composition for use in treating glass fibers consisting essentially of a stable aqueous dispersion of (1) a resorcinol-aldehyde resin, (2) a butadiene polymer containing more than 95 weight percent butadiene, (3) a microcrystalline paraffin wax, and (4) a copolymer formed of 70-95% by weight butadiene and 5-30% by weight vinyl pyridine.
Claim 2
Dependent Claim
53 words
An impregnating composition for use in treating glass fibers consisting essentially of a stable aqueous dispersion of (1) a resorcinol-aldehyde resin, (2) a butadiene polymer containing more than 95 weight percent butadiene, (3) a microcrystalline paraffin wax, and (4) a copolymer formed of 70-95% by weight butadiene and 5-30% by weight vinyl pyridine.
Claim 3
Dependent Claim
25 words
A composition as defined in claim 1 wherein the resorcinol-aldehyde resin is a condensation resin formed by reaction of resorcinol with a lower aliphatic aldehyde.
Claim 4
Dependent Claim
26 words
A composition as defined in claim 1 wherein the butadiene polymer is a polymer having a molecular weight ranging from about 10,000 to about 2 million.
Claim 5
Dependent Claim
22 words
A composition as defined in claim 1 wherein the microcrystalline paraffin wax is a blend of paraffin wax and a microcrystalline wax.
Claim 6
Dependent Claim
25 words
A composition as defined in claim 1 wherein the butadiene-vinyl pyridine copolymer is formed of 80-95% by weight butadiene and 5-20% by weight vinyl pyridine.
Claim 7
Dependent Claim
58 words
A composition as defined in claim 1 wherein the butadiene-vinyl pyridine copolymer latex constitutes from 10-60% by weight of the composition, the butadiene polymer latex constitutes from 30-80% by weight of the composition, the wax as an emulsion constitutes from 2-10% by weight of the composition and the resorcinol-aldehyde resin constitutes about 2-10% by weight of the composition.
Claim 8
Dependent Claim
13 words
A bundle of glass fibers treated with the impregnating composition of claim 1.
Claim 9
Dependent Claim
24 words
A reinforced elastomeric product wherein at least one bundle of glass fibers according to claim 7 is dispersed as reinforcement in an elastomeric material.
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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) | 1983-04-08 | 1983-10-08 | 1984-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-08 | 1987-10-08 | 1988-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-08 | 1991-10-08 | 1992-04-08 | $7700.00 | Window Closed / Lapsed |