Patent US2600134A successfully refreshed from Google Patents.
US2600134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental impression composition comprising a copolymer of vinyl chlorhoe and vinyl acetate, di-normal propyl phthalate and a filler
Assignee: Schwartz Chemical Co Inc
•
Filing: 1948-11-04
•
Granted: 1952-06-10
•
Expires: 1968-11-04
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
- 👤 Max M Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; A; A61; A61K; A61K6/00; A61K6/90; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A DENTAL IMPRESSION COMPOSITION CONSISTING OF A GEL-LIKE BODY COMPRISING APPROXIMATELY 25 PARTS BY WEIGHT OF A COPOLYMER OF VINYL CHLORIDE-ACETATE CONTAINING FROM 80 TO 93% OF VINYL CHLORIDE, AND FROM 18 TO 75 PARTS BY WEIGHT OF A SOLVATING AGENT COMPRISING A MAJOR PORTION OF DI-NORMAL PROPYL PHTHALATE AND A MINOR PORTION OF BUTYL ACETATE, SAID COMPOSITION CONTAINING A FINELY DIVIDED INERT FILLER IN AMOUNT NOT EXCEEDING THE WEIGHT OF SAID COPOLYMER.
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) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |