Patent US3312594A successfully refreshed from Google Patents.
US4759798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of dental-technical, dental-medical and medical molding and lining materials
Assignee: Individual
•
Filing: 1986-01-14
•
Granted: 1988-07-26
•
Expires: 2006-01-14
Abstract
Abstract A process for the preparation of dental-technical, dental-medical and medical molding and lining materials including the steps of mixing a substrate selected from the group consisting of a monomeric and/or polymeric or copolymer acrylic or methacrylic ester, a hardening substance for the substrate. Wherein jojoba oil in present in an amount of 0.05 to 10% of total material and the substrate is present in amount of at least about 60% if the total weight of the material.
Inventors
- 👤 Frauke H. F. von Nostitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/50; A61L27/502; A61K; A61K47/00; A61K47/30; A61K47/32; A61K47/44; A61K6/00; A61K6/80; A61K6/884; A61K6/887; A61K6/90; A61L27/14; A61L27/16; H; H04; H04R; H04R25/00
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
81 words
A process for the preparation of dental-technical, dental-medical and medical molding and lining materials, comprising mixing a substrate selected from the group consisting of a monomeric and/or polymeric or copolymeric acrylic or methacrylic ester, a hardening substance for the substrate, and jojoba oil, wherein the jojoba oil is present in an amount of 0.05 to 10% by weight of total material and the substrate is present in an amount of at least about 60% of the total weight of the material.
Claim 2
Dependent Claim
81 words
A process for the preparation of dental-technical, dental-medical and medical molding and lining materials, comprising mixing a substrate selected from the group consisting of a monomeric and/or polymeric or copolymeric acrylic or methacrylic ester, a hardening substance for the substrate, and jojoba oil, wherein the jojoba oil is present in an amount of 0.05 to 10% by weight of total material and the substrate is present in an amount of at least about 60% of the total weight of the material.
Claim 3
Dependent Claim
23 words
The process according to claim 1, wherein there is further added an accelerator substance for the hardening of the acrylic or methacrylic ester.
Claim 4
Dependent Claim
17 words
The process according to claim 1, wherein there is further added a metal soap and/or a silicate.
Claim 5
Dependent Claim
21 words
The process according to claim 3, wherein the metal soap is used in an amount of 0.1 to 10% by weight.
Claim 6
Dependent Claim
16 words
The process according to claim 3, wherein as metal soap calcium and/or magnesium stearate is used.
Claim 7
Dependent Claim
18 words
The process according to claim 3, wherein 1.5 to 5% by weight of alkaline aluminum silicate is used.
Claim 8
Dependent Claim
14 words
The process according to claim 1, wherein there is further added a cross-linking agent.
Claim 9
Dependent Claim
19 words
The process according to claim 7, wherein as cross-linking agent an olefinic dimethacrylate or a (poly)-ethyleneglycol dimethacrylate is used.
Claim 10
Dependent Claim
70 words
A process for the preparation of dental-technical, dental-medical and medical molding and lining materials, comprising the mixing of a two-component system, consisting of (a) a powder system which comprises a polymeric acrylic or methacrylic ester, a metal soap and a hardening substance for the acrylic or methacrylic ester, and (b) a liquid system, consisting of a monomeric acrylic or methacrylic ester and 0.05 to 10% by weight of jojoba oil
Claim 11
Dependent Claim
70 words
A process for the preparation of dental-technical, dental-medical and medical molding and lining materials, comprising the mixing of a two-component system, consisting of (a) a powder system which comprises a polymeric acrylic or methacrylic ester, a metal soap and a hardening substance for the acrylic or methacrylic ester, and (b) a liquid system, consisting of a monomeric acrylic or methacrylic ester and 0.05 to 10% by weight of jojoba oil
Claim 12
Dependent Claim
21 words
The process according to claim 1, wherein said molding material is used for the manufacture of dental-technical, dental-medical and medical molds.
Claim 13
Dependent Claim
22 words
The process according to claim 1, wherein said molding material is used to form a tooth guard, especially for sportsmen and sportswomen.
Claim 14
Dependent Claim
21 words
The process according claim 1, wherein said molding material is used for the preparation of an individually fitted (functional) impression tray.
Claim 15
Dependent Claim
21 words
The process according to claim 1, wherein said lining material is used a lining material for dental molds and artificial limbs.
Claim 16
Dependent Claim
19 words
The process according to claim 1, wherein said lining material is used in self-medication for the fitting of dentures.
Claim 17
Dependent Claim
65 words
An improvement to the process for preparing dental-technical, dental-medical and medical molding and lining materials consisting substantially of a monomeric and/or polymeric or methacrylic ester and a hardening substance, the improvement comprising, mixing 0.05 to 10% by weight of jojoba oil with the monomeric and/or polymeric or copolymeric acrylic or methacrylic ester and hardener before the material polymerizes to become a hard or plastic product.
Claim 18
Dependent Claim
65 words
An improvement to the process for preparing dental-technical, dental-medical and medical molding and lining materials consisting substantially of a monomeric and/or polymeric or methacrylic ester and a hardening substance, the improvement comprising, mixing 0.05 to 10% by weight of jojoba oil with the monomeric and/or polymeric or copolymeric acrylic or methacrylic ester and hardener before the material polymerizes to become a hard or plastic product.
Claim 19
Dependent Claim
77 words
A dental-technical, dental-medical or medical molding or lining material comprising, a substrate selected from the group consisting of a monomeric and/or polymeric or copolymeric acrylic or methacrylic ester, a hardening substance for the respective acrylic of methacrylic ester, and jojoba oil, wherein the substrate and hardening substance are present in an amount equal to about 60% by total weight and the jojoba oil is present in an amount equal to between 0.05 and 10% by total weight.
Claim 20
Dependent Claim
77 words
A dental-technical, dental-medical or medical molding or lining material comprising, a substrate selected from the group consisting of a monomeric and/or polymeric or copolymeric acrylic or methacrylic ester, a hardening substance for the respective acrylic of methacrylic ester, and jojoba oil, wherein the substrate and hardening substance are present in an amount equal to about 60% by total weight and the jojoba oil is present in an amount equal to between 0.05 and 10% by total weight.
Claim 21
Dependent Claim
29 words
A product as claimed in claim 16, wherein the hardened material has a shore-A-hardness of about 35 at body temperature and a shore-A-hardness of about 70 at room temperature.
Claim 22
Dependent Claim
38 words
A product as claimed in claim 16 wherein the substrate includes a monomeric acrylate and the content of unreactive monomeric acrylate in the hardener material is about 1 to 2% at about 10 to 19% refinding (not reactive).
Claim 23
Dependent Claim
104 words
A dental-technical, dental-medical or medical molding or lining composition material according to claim 16, in the form of a two-component system, comprising, (a) a powder system which comprises a polymeric acrylic or methacrylic ester, and a hardening substance for the acrylic or methacrylic ester, and (b) a liquid system consisting of a monomeric acrylic or methacrylic ester, jojoba oil and an accelerator, wherein the polymeric and monomeric acrylic or methacrylic ester and the hardening substances are present in an amount equal to about 60% by total weight, and jojoba oil is present in an amount equal to between 0.05 and 10% by total weight.
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) | 1991-07-26 | 1992-01-25 | 1992-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-26 | 1996-01-25 | 1996-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-26 | 2000-01-25 | 2000-07-26 | $7700.00 | Window Closed / Lapsed |