Patent US5009674A successfully refreshed from Google Patents.
US3241992A
Expired / Lapsed
US
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Composition containing bis-citric acid esters and their use
Assignee: Joh A Benckiser GmbH
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Filing: 1963-12-31
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Granted: 1966-03-22
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Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 Miksch Johannes
- 👤 Bauer Lieselotte
- 👤 Kerber Gerda Albert-Nee
- 👤 Zeiss Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:57
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AN ARTICLE OF PLASTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF BUTADIENE-ACRYLONITRILE COPOLYMERS, NITRO CELLULOSE, CHLORINATED RUBBER, HYDROCHLORINATED RUBBER, HOMOPOLYMERS OF VINYL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE, VINYL ACETATE AND VINYLIDENE CHLORIDE, AND COPOLYMERS OF SAID VINYL COMPOUNDS, SAID PLASTIC MATERIAL HAVING INCORPORATED THEREIN, AS PLASTICIZER, THE BIS-CITRIC ACID ESTER OF THE FORMULA
Claim 2
Dependent Claim
57 words
AN ARTICLE OF PLASTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF BUTADIENE-ACRYLONITRILE COPOLYMERS, NITRO CELLULOSE, CHLORINATED RUBBER, HYDROCHLORINATED RUBBER, HOMOPOLYMERS OF VINYL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE, VINYL ACETATE AND VINYLIDENE CHLORIDE, AND COPOLYMERS OF SAID VINYL COMPOUNDS, SAID PLASTIC MATERIAL HAVING INCORPORATED THEREIN, AS PLASTICIZER, THE BIS-CITRIC ACID ESTER OF THE FORMULA
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |