US3971871A
Expired / Lapsed
US
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Texturizing size and glass fibers coated with same
Assignee: Owens Corning
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Filing: 1975-04-30
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Granted: 1976-07-27
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Expires: 1995-04-30
Abstract
Abstract A size for glass fibers capable of protecting the fibers from mutual abrasion using 0.6% coating solids or less, and comprising a cationic starch derivative of a tertiary amine along with a cationic lubricant that is generally devoid of primary amines.
Inventors
- 👤 Harold L. Haynes
- 👤 Michael J. Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:49
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/321; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
80 words
Glass fibers having a coating consisting essentially of the following solids in approximate parts by weight: 1.25 to 3.00 of a starch having a degree of substitution of from approximately 0.01% to 0.1% of an ether or ester radical of a tertiary amine and that is generally devoid of primary amines, 0.2 to 0.8 of a nonionic lubricant, 0.04 to 0.16 of a nonionic lubricant emulsifier, 0.1 to 0.6 of Bis-beta-3-(2-heptadecylimidazolyl) ethyl amine, and 0 to 1.0 of a humectant.
Claim 2
Dependent Claim
80 words
Glass fibers having a coating consisting essentially of the following solids in approximate parts by weight: 1.25 to 3.00 of a starch having a degree of substitution of from approximately 0.01% to 0.1% of an ether or ester radical of a tertiary amine and that is generally devoid of primary amines, 0.2 to 0.8 of a nonionic lubricant, 0.04 to 0.16 of a nonionic lubricant emulsifier, 0.1 to 0.6 of Bis-beta-3-(2-heptadecylimidazolyl) ethyl amine, and 0 to 1.0 of a humectant.
Claim 3
Dependent Claim
24 words
The glass fibers of claim 1 wherein said nonionic lubricant is from the group consisting of animal, vegetable, and mineral waxes and gelled oils.
Claim 4
Dependent Claim
49 words
The glass fibers of claim 1 wherein said starch derivative has the following formula: ##EQU2## wherein R 1 , R 2 , and R 3 are from the group consisting of alkyl, substituted alkyl, alkene, aryl, and aralkyl groups having a total of not more than 22 carbon atoms.
Claim 5
Dependent Claim
49 words
The glass fibers of claim 2 wherein said starch derivative has the following formula: ##EQU3## wherein R 1 , R 2 , and R 3 are from the group consisting of alkyl, substituted alkyl, alkene, aryl, and aralkyl groups having a total of not more than 22 carbon atoms.
Claim 6
Dependent Claim
17 words
The glass fibers of claim 4 wherein said emulsifier is a polyglycol ether of a fatty alcohol.
Claim 7
Dependent Claim
12 words
The glass fibers of claim 5 wherein said humectant is a polyglycol.
Claim 8
Dependent Claim
69 words
Glass fibers having a coating comprising the following approximate parts by weight of solids: 2.16 of a starch having a degree of substitution of from approximately 0.01% to 0.1% of an ether or ester radical of a tertiary amine and that is generally devoid of primary amines, 0.42 of paraffin wax, 0.09 of oleyl ether of polyethylene glycol 23, 0.30 of Bis-[beta-3-(2-heptadecylimidazolyl) ethyl] amine, and 0.22 of a humectant.
Claim 9
Dependent Claim
69 words
Glass fibers having a coating comprising the following approximate parts by weight of solids: 2.16 of a starch having a degree of substitution of from approximately 0.01% to 0.1% of an ether or ester radical of a tertiary amine and that is generally devoid of primary amines, 0.42 of paraffin wax, 0.09 of oleyl ether of polyethylene glycol 23, 0.30 of Bis-[beta-3-(2-heptadecylimidazolyl) ethyl] amine, and 0.22 of a humectant.
Claim 10
Dependent Claim
23 words
The glass fibers of claim 1 wherein the coating comprises from approximately 0.2 to 0.6% of the weight of the coated glass fibers.
Claim 11
Dependent Claim
23 words
The glass fibers of claim 7 wherein the coating comprises from approximately 0.2 to 0.6% of the weight of the coated glass fibers.
Claim 12
Dependent Claim
113 words
Texturized glass fibers having a coating thereon consisting essentially of the following solids in approximate parts by weight: 1.25 to 3.00 of a starch having a degree of substitution of from approximately 0.01% to 0.1% of an ether or ester radical of a tertiary amine and that is generally devoid of primary amines, 0.2 to 0.8 of a nonionic lubricant, 0.04 to 0.16 of a nonionic lubricant emulsifier, 0.1 to 0.6 of a cationic lubricant comprising Bis-[beta-3-(2-heptadecylimidazolyl) ethylene] amine and being generally devoid of primary amines, and 0 to 1.0 of a humectant, said coating comprising no more than 0.6% of the weight of the coated glass fibers, with the starch being unagglomerated.
Claim 13
Dependent Claim
113 words
Texturized glass fibers having a coating thereon consisting essentially of the following solids in approximate parts by weight: 1.25 to 3.00 of a starch having a degree of substitution of from approximately 0.01% to 0.1% of an ether or ester radical of a tertiary amine and that is generally devoid of primary amines, 0.2 to 0.8 of a nonionic lubricant, 0.04 to 0.16 of a nonionic lubricant emulsifier, 0.1 to 0.6 of a cationic lubricant comprising Bis-[beta-3-(2-heptadecylimidazolyl) ethylene] amine and being generally devoid of primary amines, and 0 to 1.0 of a humectant, said coating comprising no more than 0.6% of the weight of the coated glass fibers, with the starch being unagglomerated.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-27 | 1980-01-26 | 1980-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-27 | 1984-01-26 | 1984-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-27 | 1988-01-26 | 1988-07-27 | $7700.00 | Window Closed / Lapsed |