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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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US Patent 5084302 - Process for preparing an organic compound thin film for an optical device
US Patent Issued on January 28, 1992
Estimated Patent Expiration Date:
March 29, 2010Estimated 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:
March 29, 2010Estimated 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.AbstractA process for preparing an organic compound thin film for use in an optical device including steps of forming a multiplicity of geometric linear streaks with microscopic unevenness in section on a substrate at least whose surface is made up of an amorphous organic polymer layer; thereafter vapor-depositing on the surface an organic compound capable of exhibiting non-linear optical characteristics to form a non-linear optical material film. | InventorsApplicationNo. 503312 filed on 03/29/1990US Classes:427/164, Transparent base427/255.6, Organic coating applied by vapor, gas, or smoke427/307, Etching, swelling, or dissolving out part of the base427/322Organic baseField of Search427/255.6, Organic coating applied by vapor, gas, or smoke427/307, Etching, swelling, or dissolving out part of the base427/162, OPTICAL ELEMENT PRODUCED427/165, Glass427/164, Transparent base427/407.1, Synthetic resin coating427/412.1, Nonfibrous organic base427/322, Organic base427/299, WITH PRETREATMENT OF THE BASE428/473.5Of polyimideExaminersPrimary: Beck, ShriveAssistant: King, Roy V. Attorney, Agent or FirmUS Patent References4400424, Fabrics having an excellent color developing property and a process for producing the same involving plasma treatment and an aftercoatIssued on: 08/23/1983 Inventor: Hatada , et al.4543275, Method of forming thin vapor deposited film of organic material Issued on: 09/24/1985 Inventor: Akashi , et al.4842946Method for treating a polyimide surface to improve the adhesion of metal deposited thereon, and articles produced thereby Issued on: 06/27/1989 Inventor: Foust , et al. Foreign Patent References
International ClassesB05D 003/12B05D 005/06 B05D 003/06 Foreign Application Priority Data1989-03-30 JP |
