U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."

Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Examiner: Witherspoon, Sikarl A


Primary examiner statistics: 362 patents; average approval time: 362 days
Assistant examiner statistics: 0 patents; average approval time: N/A

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7994370 Method for depletion of sulfur and/or compounds containing sulfur...
7982067 Phenethanolamine derivatives for treatment of respiratory disease...
7973183 Process for the preparation of an olefin oxide
7973201 Process for production of halogen-substituted benzenedimethanol
7973198 Method for synthesizing optically active carbonyl compounds
7968753 Method for the production of organic peroxides by means of a micr...
7964756 Process for absorbing methylacrolein with ionic liquid
7964755 Curcumin synthesis
7960592 Production of methyl-vinyl ketone from levulinic acid
7960594 Method of preparing ethylene glycol from cellulose
7960593 Process for preparation of menthol by hydrogenation of isopulegol
7956221 Process for decomposing cyclohexylhydroperoxide
7951978 Process for producing acrolein and glycerin-containing compositio...
7951976 Synthesizing and utilizing novel nano crystalline zinc chromate s...
7951977 Process for producing hexahydrofurofuranol derivative
7951979 2,4,6-trisubstituted phenols having anesthetic properties
7947855 Process for the purification of 1,4-butanediol mononitrate
7943790 Process for preparing alkylene oxides
7943801 Catalyst composition including phosphite ligands and hydroformyla...
7939692 Catalyst and process for producing ketone using the same
7939694 Method for the hydroformylation of olefins and apparatus using th...
7939693 Process for producing sec-butylbenzene
7939695 Production process of nucleus-halogenated methylbenzyl alcohol
7939689 Short-acting sedative hypnotic agents for anesthesia and sedation
7935851 Isobutylene
7935848 Butone derivatives useful as cooling agents
7935849 Process for the preparation of saturated aliphatic ketones
7928267 Phosphite containing catalysts for hydroformylation processes
7923585 Menthol derivative and cooling agent composition comprising the s...
7923583 Method for producing cycloalkanol and/or cycloalkanone
7923582 Chemoselective ligation
7919657 Process for dehydration of hexafluoroacetone hydrate
7919531 3,5-dihydroxy-2,4-cyclohexadienones and their derivatives, dietar...
7915444 Method for producing diisocyanates
7915456 Salts of styphnic acid
7910780 Method for purifying terephthalaldehyde
7910782 Cobalt recovery from cobalt catalysed hydroformylation reactions
7910778 Process for producing cyclohexylbenzene
7910779 Process for producing cyclohexylbenzene
7910767 Prostaglandin derivatives

Patents as Assistant Examiner

Patent No. Patent Title:
No patents.
 
Sign InRegister
Username  
Password   
forgot password?