US3850869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber sizing composition and resultant product with high resistance to abrasion
Assignee: Johns Manville Corp
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Filing: 1973-01-02
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Granted: 1974-11-26
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Expires: 1993-01-02
Abstract
Abstract 1. AN AQUEOUS GLASS SIZING COMPOSITION FOR FILAMENT GLASS FIBERS WHICH CONSISTS ESSENTIALLY OF 0.5 TO 15 WEIGHT PERCENT OF POLY(VINYL ACETATE); 0.1 TO 5 PERCENT OF A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 200 TO 6000; 0.01 TO 0.6 WEIGHT PERCENT OF A POLYESTER COMPATIBLE METHACRYLIC SILANE; 0.01 TO 1.0 PERCENT OF A CATIONIC ALKYL AMIDE REACTION PRODUCT OF A C5 TO C20 ALKYL CARBOXYLIC ACID AND AN ETHYLENE AMINE, AND THE BALANCE DE-IONIZED WATER, THE COMPOSITION HAVING A PH OF NOT GREATER THAN 6 AND A SOLIDS CONTENT IN THE RANGE OF 1-22 PERCENT.
Inventors
- 👤 J Mohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:57
CPC Classifications
C; C08; C08K; C08K5/00; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/28; C08L; C08L31/00; C08L31/02; C08L31/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN AQUEOUS GLASS SIZING COMPOSITION FOR FILAMENT GLASS FIBERS WHICH CONSISTS ESSENTIALLY OF 0.5 TO 15 WEIGHT PERCENT OF POLY(VINYL ACETATE); 0.1 TO 5 PERCENT OF A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 200 TO 6000; 0.01 TO 0.6 WEIGHT PERCENT OF A POLYESTER COMPATIBLE METHACRYLIC SILANE; 0.01 TO 1.0 PERCENT OF A CATIONIC ALKYL AMIDE REACTION PRODUCT OF A C5 TO C20 ALKYL CARBOXYLIC ACID AND AN ETHYLENE AMINE, AND THE BALANCE DE-IONIZED WATER, THE COMPOSITION HAVING A PH OF NOT GREATER THAN 6 AND A SOLIDS CONTENT IN THE RANGE OF 1-22 PERCENT.
Claim 2
Dependent Claim
99 words
AN AQUEOUS GLASS SIZING COMPOSITION FOR FILAMENT GLASS FIBERS WHICH CONSISTS ESSENTIALLY OF 0.5 TO 15 WEIGHT PERCENT OF POLY(VINYL ACETATE); 0.1 TO 5 PERCENT OF A POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 200 TO 6000; 0.01 TO 0.6 WEIGHT PERCENT OF A POLYESTER COMPATIBLE METHACRYLIC SILANE; 0.01 TO 1.0 PERCENT OF A CATIONIC ALKYL AMIDE REACTION PRODUCT OF A C5 TO C20 ALKYL CARBOXYLIC ACID AND AN ETHYLENE AMINE, AND THE BALANCE DE-IONIZED WATER, THE COMPOSITION HAVING A PH OF NOT GREATER THAN 6 AND A SOLIDS CONTENT IN THE RANGE OF 1-22 PERCENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |