Drug – bio-affecting and body treating compositions – Dentifrices
Reexamination Certificate
2002-09-03
2003-12-09
Rose, Shep K. (Department: 1614)
Drug, bio-affecting and body treating compositions
Dentifrices
C051S307000, C433S215000, C433S216000
Reexamination Certificate
active
06660250
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to dental cleaning compositions, more specifically, to dental cleaning composition and employment for the cleaning of an area in preparation of dental applications.
The teeth cleaning element of the present invention is particularly adapted for clearing and cleaning the area of the teeth in preparation of fillings or orthodontic appliances, such as braces or bridges.
The cleaning agent of the present invention consists of pumice power. Pumice is a light-colored, frothy volcanic rock, usually of dacite or rhyolite composition, formed by the expansion of gas in erupting lava. It is well established that ground pumice is an effective matter that is used as an abrasive cleaning agent including dental products.
It is also known that the said ground pumice is subject to splatter and can be difficult to maintain the cleaning agent in a localized area. The present invention limits the tendencies of spatter and overcomes prior art uses of ground pumice.
The composition of the present invention consists of pumice powder and a water-soluble lubricant. Using an equal portion by weight, 1 part pumice powder and 3 part water-soluble lubricant, the two components are mixed into a consistent pumice solution.
The pumice solution is then deposited into a syringe for application. The preferred embodiment of the syringe specifications for applying the pumice solution includes a 20 cc syringe applicator with a #20 tip.
A benefit of the present invention enables the said pumice solution deposited in the syringe to be packaged in a pre-sealed purified container for future use. Such packaging prevents possible contamination and allows for extended shelf life of the pumice solution composition.
Measured in microns, typical pumice power for use in dental applications can vary from 0-160 &mgr;m. Another preferred embodiment of the present invention includes greater division of the size of the pumice powder granules.
The present invention sub-divides the 0-160 &mgr;m pumice powder range into four sizes. Medium grit ranges from 121-160 &mgr;m pumice powder granules. Fine grit ranges from 81-120 &mgr;m pumice powder granules. Extra fine grit ranges from 41-80 &mgr;m pumice powder granules. Ultra fine grit ranges from 0-40 &mgr;m pumice powder granules.
The division of pumice powder granules provides the present invention with four unique compositions to provide the user increased preference or abrasive need requirements.
In addition to the stabilizing benefit of the water soluble lubricant, the lubricant is sterile, greaseless and harmless if ingested. Furthermore, cleanup upon completion of the. tooth cleansing is simplified as the composition is liquefied by the saliva.
DESCRIPTION OF THE PRIOR ART
There are other teeth cleaning compositions. Typical of these is U.S. Pat. No. 3,935,306 issued to Francis D. Roberts et al. on Jan. 27, 1976.
Another patent was issued to Francis D. Roberts et al. on May 16, 1978 as U.S. Pat. No. 4,089,943. Yet another U.S. Pat. No. 4,486,175 was issued to Leo Fisher et al. on Dec. 4, 1984 and still yet another was issued on Aug. 5, 1986 to Leo Fisher et al. as U.S. Pat. No. 4,604,058.
Another patent was issued to Reinhard von Kleinsorgen on Jun. 2, 1987 as U.S. Pat. No. 4,669,492. Yet another U.S. Pat. No. 5,178,538 was issued to Ronald C. Eckert on Jan. 12, 1993. Another was issued to Ronald C. Eckert on Aug. 2, 1994 as U.S. Pat. No. 5,334,020 and still yet another was issued on Aug. 26, 1997 to Joseph G. Shafer as U.S. Pat. No. 5,660,546.
Another patent was issued to Michael Prencipe et al. on Dec. 16, 1997 as U.S. Pat. No. 5,698,182. Yet another U.S. Pat. No. 5,967,154 was issued to Michael R. Anderson on Oct. 19, 1999. Another was issued Kenneth S. Peterson et al. on Aug. 28, 2001 as U.S. Pat. No. 6,280,707 and still yet another was issued on Feb. 13, 2001 to Russell Anthony Penner as U.S. Pat. No. 6,187,294.
U.S. Pat. No. 3,935,306
Inventor: Francis D. Roberts et al.
Issued: Jan. 27, 1976
Toothpaste formulations having dispersed therein a plurality of agglomerated particles of dental polishing agent that are visible, palpable and substantially insoluble in the toothpaste are disclosed. The agglomerates comprise individually impalpable particles of water insoluble dental polishing agent; can include an agglomerating agent and are reduced to smaller sized particles of dental polishing agent when subjected to mild mechanical agitation such as toothbrushing. Such agglomerates are particularly well suited for incorporation into transparent gel dental vehicles to provide special effects such as supplemental cleaning and polishing characteristics without adversely affecting the visual clarity of the finished toothpaste.
U.S. Pat. No. 4,089,943
Inventor: Francis D. Roberts et al.
Issued: May 16, 1978
Toothpaste formulations having dispersed therein a plurality of agglomerated particles of dental polishing agent that are visible, palpable and substantially insoluble in the toothpaste are disclosed. The agglomerates comprise individually impalpable particles of water insoluble dental polishing agent; can include an agglomerating agent and are reduced to smaller sized particles of dental polishing agent when subjected to mild mechanical agitation such as toothbrushing. Such agglomerates are particularly well suited for incorporation into transparent gel dental vehicles to provide special effects such as supplemental cleaning and polishing characteristics without adversely affecting the visual clarity of the finished toothpaste.
U.S. Pat. No. 4,486,175
Inventor: Leo Fisher et al.
Issued: Dec. 4, 1984
A dental appliance has an elongated hollow tube within the interior of which is mounted for rotation an elongated drive shaft. One end of the tube is coupled to a handle as is the drive shaft which is driven from the handle in rotation. A head joined to the other end of the tube defines an interior cavity within which a hub is mounted for rotation about an axis disposed at an angle with respect to the drive shaft. Motion is translated from the drive shaft to the hub. An opening in the head enables the hub to be accessed through the opening. Included in the hub is a barrel section for securing a variety of dental attachments thereto. A seal is created between the opening from the cavity and the hub in order to prevent fluid flow therethrough. Lubricant is introduced within the tube and the drive shaft actuates an auger or the equivalent for propelling the lubricant into the motion translator.
U.S. Pat. No. 4,604,058
Inventor: Leo Fisher et al.
Issued: Aug. 5, 1986
A dental appliance has an elongated hollow tube within the interior of which is mounted for rotation an elongated drive shaft. One end of the tube is coupled to a handle as is the drive shaft which is driven from the handle in rotation. A head joined to the other end of the tube defines an interior cavity within which a hub is mounted for rotation about an axis disposed at an angle with respect to the drive shaft. Motion is translated from the drive shaft to the hub. An opening in the head enables the hub to be accessed through the opening. Included in the hub is a barrel section for securing a variety of dental attachments thereto. A seal is created between the opening from the cavity and the hub in order to prevent fluid flow therethrough. Lubricant is introduced within the tube and the drive shaft actuates an auger or the equivalent for propelling the lubricant into the motion translator.
U.S. Pat. No. 4,669,492
Inventor: Reinhard von Kleinsorgen
Issued: Jun. 2, 1987
A cosmetic stick for a powder pencil comprises a stable stick body formed from powder base material and pigment, optionally with binding agent, lubricant and/or adhesion-enhancing agent, together with a particulate material which is additionally contained in the stick body in finely divided form, the particles thereof being harder than the base materials. The particulate material includes at least one derivative of tricalcium phosphate, tetracalcium phosphate or calcium pyrophosphate.
U.S. Pat.
Kroll Michael I
Rose Shep K.
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