Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 4331651 - Depot body on the basis of silicone rubber and process for the preparation thereof
US Patent Issued on May 25, 1982
Estimated Patent Expiration Date:
January 21, 2000Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
January 21, 2000Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractDepot body on the basis of silicone rubber for the protracting release of active ingredients which contains from 2 to 50 weight %, relative to silicone rubber, of a release-promoting substance or a corresponding substance mixture in dissolved form, and a process for the preparation of such depot bodies. These depot bodies are suitable especially for the application of active substance onto the mucous membrane of the nasal vestibule of cattle.Other References
| InventorsApplicationNo. 06/113665 filed on 01/21/1980US Classes:424/434, Mucosal (e.g., nasal, etc.)514/179, Modified C-ring (except methyl in 13-position) (e.g., double bond containing, substituted, etc.)514/772, DESIGNATED ORGANIC NONACTIVE INGREDIENT CONTAINING OTHER THAN HYDROCARBON514/784Carboxylic acid or salt thereofExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmUS Patent References3670074International ClassesA61K 9/00 (20060101)A61K 9/20 (20060101) Foreign Application Priority Data1979-01-23 DE |
