Patent 4029688 Issued on June 14, 1977. Estimated Expiration Date: June 14, 1994. Estimated 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.
558/3, Oxygen attached directly to the nitrogen of the thioimidate group by nonionic bonding (i.e., HO-N=CH-S-, wherein substitution may be hydrogen only)552/12, Having -C(=X)-, wherein X is chalcogen, attached indirectly to the azide group by acyclic nonionic bonding558/301, Oxygen bonded directly to the double bonded nitrogen (e.g., alpha-oximino nitriles, etc.)558/391, Carbon, also in the chain, double bonded to the nitrogen558/437, The sulfur is double bonded to oxygen558/438, Two carbons bonded directly to the same divalent sulfur558/439, Additional cyano group558/441, Oxygen bonded directly to the carbonyl group (e.g., carboxylic acid esters, etc.)558/442, Additional carbonyl attached indirectly to the cyano group by nonionic bonding558/444, The oxygen is between the carbonyl and the cyano group (e.g., cyano is in the alcohol portion of a carboxylic acid ester, etc.)558/7, Oxygen attached directly to the nitrogen of the imidate group by nonionic bonding (i.e., HO-N=CH-O-, wherein substitution may be made for hydrogen only)560/13, Plural nitrogens in acid moiety560/153, Nitrogen or halogen in acid moiety560/16, Nitrogen in acid moiety560/251, Plural nitrogens in alcohol moiety564/102Sulfur attached directly to amino nitrogen by nonionic bonding (e.g., sulfenamides, etc.)
June 14, 1994. Estimated 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.
