Notice of Pre-AIA or AIA Status
The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA .
Claim Rejections - 35 USC § 102
The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action:
A person shall be entitled to a patent unless –
(a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention.
Claims 1-20 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by WO-2020/099540 to Phillips et al. (U.S. Patent Pub. No. 2022/0002468 will be used for citations).
As to claims 1 and 5-8, Phillips discloses a polyurethane or polyurethane-urea composition comprising the reaction product of at least one block copolymer A-B-A having a molecular weight of 1,000 to 5,000 and a diisocyanate component wherein A-B-A is the reaction product of 45-55% by weight of polytetramethylene glycol (MW 1,000) or poly(methytetramethylene) glycol (MW 1,000) and 45-55 wt% of e-caprolactone or ethylene or propylene oxide (Table 1, 0042). Phillips discloses a molar ratio of NCO:OH of 0.9:1 to 2:1 (0045).
As to claims 2 and 13-15, Phillips discloses wherein the reaction mixture further comprises a diol or diamine chain extender such as 1,4-butanediol (0053).
As to claims 3-4 and 18, Phillips discloses a shore A hardness of 60 or 61 (Examples 9-10, Table 2) and NOC:OH ratios of 1:1 (See Example 1).
As to claims 9-12, Phillips discloses suitable diisocyanates including 4,4-diphenylmethane diisocyanate (Examples 1-9) and 1,6-hexamethylene diisocyanate (0028).
As to claims 16-17, Phillips discloses aromatic diamine chain extenders including 4,4-diaminodiphenylmethane (0030).
As to claims 19-20, Phillips discloses wherein the composition is a thermoplastic polyurethane, a hot cast polyurethane, a cold cast polyurethane, a microcellular polyurethane foam, or polyurethane adhesive, or 1- or 2-component polyurethane coating, an additive manufacturing or a polyurethane sealant (0041).
Conclusion
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/MICHAEL L LEONARD/ Primary Examiner, Art Unit 1763
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