Patent US3214903A successfully refreshed from Google Patents.
Patent US2838428A successfully refreshed from Google Patents.
US2838428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized vinyl halide resins and electrical conductors insulated therewith
Assignee: General Electric Co
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Filing: 1949-05-28
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Granted: 1958-06-10
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Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 George J Bohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:39
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; C; C08; C08K; C08K13/00; C08K13/02; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08L; C08L27/00; C08L27/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2935; Y10T428/2973; Y10T428/2975; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A COMPOSITION OF MATTER COMPRISING, BY WEIGHT (1) FROM 40 TO 75 PERCENT POLYVINYL CHLORIDE AND (2) FROM 25 TO 60 PERCENT OF A PLASTICIZER FOR (1) HAVING AN ACID VALUE BELOW 5 AND COMPRISING AN ACID CHAINSTOPPED, LIQUID, HEAT-STABLE PERMANENTLY FUSIBLE COMPOSITION COMPRISING THE PRODUCT OF REACTION UNDER HEAT OF A MIXTURE OF INGREDIENTS IN THE UNREACTED STATE AND IN THE FOLLOWING MOLAR RATIO AND CONSISTING ESSENTIALLY OF (A) FROM 4 TO 10 MOLS OF ADIPIC ACID, (B) NX1XX MOLS PROPYLENE GLYCOL WHERE N IS EQUAL TO THE NUMBER OF MOLS OF ADIPIC ACID, AND X IS EQUAL TO A SLIGHT MOLAR EXCESS OF THE PROPYLENE GLYCOL NECESSARY TO EFFECT COMPLETE ESTERIFICATION, AND (C) ABOUT 2 MOLS OF COCONUT OIL FATTY ACIDS, THE LATTER FATTY ACIDS ACTING AS ESTERFYING CHAIN-STOPPERS AT EACH END OF THE LINEAR ESTER CHAIN FORMED BY THE REACTION OF THE AFORESAID PROPYLENE GLYCOL AND ADIPIC ACID.
Claim 2
Dependent Claim
151 words
A COMPOSITION OF MATTER COMPRISING, BY WEIGHT (1) FROM 40 TO 75 PERCENT POLYVINYL CHLORIDE AND (2) FROM 25 TO 60 PERCENT OF A PLASTICIZER FOR (1) HAVING AN ACID VALUE BELOW 5 AND COMPRISING AN ACID CHAINSTOPPED, LIQUID, HEAT-STABLE PERMANENTLY FUSIBLE COMPOSITION COMPRISING THE PRODUCT OF REACTION UNDER HEAT OF A MIXTURE OF INGREDIENTS IN THE UNREACTED STATE AND IN THE FOLLOWING MOLAR RATIO AND CONSISTING ESSENTIALLY OF (A) FROM 4 TO 10 MOLS OF ADIPIC ACID, (B) NX1XX MOLS PROPYLENE GLYCOL WHERE N IS EQUAL TO THE NUMBER OF MOLS OF ADIPIC ACID, AND X IS EQUAL TO A SLIGHT MOLAR EXCESS OF THE PROPYLENE GLYCOL NECESSARY TO EFFECT COMPLETE ESTERIFICATION, AND (C) ABOUT 2 MOLS OF COCONUT OIL FATTY ACIDS, THE LATTER FATTY ACIDS ACTING AS ESTERFYING CHAIN-STOPPERS AT EACH END OF THE LINEAR ESTER CHAIN FORMED BY THE REACTION OF THE AFORESAID PROPYLENE GLYCOL AND ADIPIC ACID.
References Cited (Backward Citations)
US2089181A
Cited
US2089196A
Cited
US2141126A
Cited
US2106703A
Cited
US2191056A
Cited
US2407479A
Cited
CH237401A
Cited
GB586826A
Cited
US2483726A
Cited
GB610138A
Cited
US2512723A
Cited
US2606162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |