The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 1994
Filed:
Feb. 10, 1993
Ann Brannan, San Francisco, CA (US);
Roseann Burhenne, Los Altos Hills, CA (US);
Frank A Delustro, Belmont, CA (US);
Thomas L Smestad, Palo Alto, CA (US);
Louis Fries, Los Altos, CA (US);
Rees M Orland, Los Altos Hills, CA (US);
Collagen Corporation, Palo Alto, CA (US);
Abstract
A device for correcting fine superficial facial lines which comprises a syringe fitted with a 31-33 gauge needle and an aqueous suspension of noncrosslinked fibrillar atelopeptide collagen contained within the syringe barrel, the concentration of collagen in the suspension being in the range of 10 to 50 mg/ml and the suspension exhibiting an extrusion plot in which there is a smooth substantially linear increase in force up to a substantially constant force in the range of 5 to 30 newtons.