US2627482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket material and process for making same
Assignee: General Electric Co
•
Filing: 1950-06-22
•
Granted: 1953-02-03
•
Expires: 1970-06-22
Abstract
No abstract record available.
Inventors
- 👤 George C Martin
- 👤 Albert J Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:53
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/04; C04B26/08; C09; C09D; C09D4/00; C09D4/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A GASKET MATERIAL HAVING OUTSTANDING RESISTANCE TO CRESYLIC ACID AND COMPRISING A HEATTREATED GLASS FIBER MAT COATED AND IMPREGNATED WITH A HEAT-CURABLE COMPOSITION COMPRISING (1) A FINELY DIVIDED MATERIAL COMPRISING A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE AND (2) A POLYMERIZABLE LIQUID DISPERSING MEDIUM FOR (1) COMPRISING, BY WEIGHT, (A) FROM 25 TO 45% LIQUID DIALLYL PHTHALATE, (B) FROM 15 TO 45% BIS CYCLOHEXYL GLYCERYL MALEATE, (C) THE BALANCE OF THE DISPERSING MEDIUM COMPRISING A PLASTICIZER FOR (1) CONSISTING OF THE LIQUID CHAIN-STOPPED PRODUCT OF REACTION OF ADIPIC ACID, PROPYLENE GLYCOL, AND COCONUT OIL FATTY ACIDS, THE LATTER CHAINSTOPPED PRODUCT CONSTITUTING BY WEIGHT, FROM ABOUT 20 TO 60 PER CENT OF THE TOTAL WEIGHT OF THE LATTER AND THE COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE, AND (D) A CURE ACCELERATOR FOR (A) AND (B).
Claim 2
Dependent Claim
136 words
A GASKET MATERIAL HAVING OUTSTANDING RESISTANCE TO CRESYLIC ACID AND COMPRISING A HEATTREATED GLASS FIBER MAT COATED AND IMPREGNATED WITH A HEAT-CURABLE COMPOSITION COMPRISING (1) A FINELY DIVIDED MATERIAL COMPRISING A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE AND (2) A POLYMERIZABLE LIQUID DISPERSING MEDIUM FOR (1) COMPRISING, BY WEIGHT, (A) FROM 25 TO 45% LIQUID DIALLYL PHTHALATE, (B) FROM 15 TO 45% BIS CYCLOHEXYL GLYCERYL MALEATE, (C) THE BALANCE OF THE DISPERSING MEDIUM COMPRISING A PLASTICIZER FOR (1) CONSISTING OF THE LIQUID CHAIN-STOPPED PRODUCT OF REACTION OF ADIPIC ACID, PROPYLENE GLYCOL, AND COCONUT OIL FATTY ACIDS, THE LATTER CHAINSTOPPED PRODUCT CONSTITUTING BY WEIGHT, FROM ABOUT 20 TO 60 PER CENT OF THE TOTAL WEIGHT OF THE LATTER AND THE COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE, AND (D) A CURE ACCELERATOR FOR (A) AND (B).
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) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |