Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41N - Printing plates or foils; Materials for surfaces used in printing machines for printing, inking, damping, or the like; Preparing such surfaces for use or conserving them › B41N 3 - Preparing for use or conserving printing surfaces
Patents for B41N 3 - Preparing for use or conserving printing surfaces (3,811)
09/1976
09/14/1976US3980539 Process for electrolytic graining of aluminum
08/1976
08/17/1976US3975197 Coated aluminum substrates
07/1976
07/20/1976US3970455 Zinc oxide
06/1976
06/15/1976US3963594 Electrochemical treatment of aluminum surfaces with an aqueous solution of hydrochloric acid and gluconic acid
05/1976
05/11/1976US3956080 Coated valve metal article formed by spark anodizing
05/04/1976US3954472 Alcohol, ammonium sulfite, polyvinylpyrrolidone
03/1976
03/30/1976US3947330 Method of electrodeposition
02/1976
02/24/1976US3940321 Methods of treating aluminium
02/10/1976US3937175 Pulsed spray of fluids
01/1976
01/27/1976US3935080 Graining, cleaning, anodizing
01/06/1976US3930925 Master plate treating device for a duplicating machine
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